Marc Kuchner | Author

A meteorite found in the Sahara desert seems to have been formed at high pressure inside a giant protoplanet. www.sciencedirect.com/science/arti... #nature #news

News flash! Elliptical galaxy M87 will crash into spiral galaxy M88 in a few hundred million years. #astronomy #emergency #uhoh

Boston meteorite hunters, beware! #astronomy

Did you hear the meteor that exploded over Cape Cod Bay on Saturday afternoon? #boston #nature #science #astronomy

Remembering Candice Hansen-Koharcheck, NASA citizen science pioneer. www.psi.edu/blog/remembe...

Help locate star-forming regions in distant galaxies! Join Galaxy Zoo: Clump Scout II. All you need is a smartphone or laptop. science.nasa.gov/citizen-scie... #news #astrophotography #nature #science #astronomy #stem

Want to work with some real Webb telescope data on exoplanets? Try this data challenge! www.kaggle.com/competitions... #python #astronomy #science #astrophotography

Join NASA’s new Shock Detectives project and help scientists understand space weather! science.nasa.gov/citizen-scie... #nature #citizenscience #astronomy

Oak catkins are all over the ground this time of year where I live! #nature #trees #science

Bees die after they sting you, right? Not so fast! #insects #science #nature #biology #entomology

Do NASA Science on a Zoom call with scientists and maybe discover a comet! April 29, 6pm and 9pm ET. pages.scistarter.org/nasa-live/ #astronomy #citizenscience #astrophotography

Maybe Cheez Whiz wasn’t invented @rutgersu.bsky.social but streptomycin was! #science #newjersey

You can get the Cosmic Collisions books for your kids at mitpressbookstore.mit.edu/book/9798855... #kidlit #science #bookstore #writingcommunity #stem #scicomm

Bring your kids and join scientists on a live Zoom call to spot wild animals in trail camera pics! April 22. 11am and 6pm ET. pages.scistarter.org/nasa-live/ #scienceathome #family #citizenscience #moms #dads #kids #stem Please share!

Congratulations to Brian Simpson from the Cincinnati Astronomical Society! A photo he took of the Moeller telescope is featured at science.nasa.gov! #astrophotography #citizenscience

Cosmic collisions and the origin of life! www.nature.com/articles/s41.... A complete set of canonical nucleobases in the carbonaceous asteroid (162173) Ryugu. #astrobiology #news

Inkfish Books, Warren, Rhode Island! #booksky #writingcommunity #kidlit

Great shot of the zodiacal light from Artemis II! #astronomy #news

Librarians, April is #citizenscience month and NASA’s partner @scistarter.bsky.social has resources for you! pages.scistarter.org/citizenscien... #library #scienceathome #stem

There are a few slots left! Join me at Barrington library in Rhode Island April 6, 6 to 7 pm. Bring kids ages seven and up, and we will talk cosmic collisions! barringtonlibrary.libcal.com/event/15647185 #booksky #kidlit

Looks like this comet has been caught in the act of reversing its spin… No aliens needed! iopscience.iop.org/article/10.3... #astronomy #astrophotography #nature #news #science #scicomm

Live in the southern United States? NASA’s newest #citizenscience project needs your help deploying hail gauges! Join the fun at cocorahs.org! #science #weather #news #scienceathome #stem

Did you know that the Nautilus submarine from Jules Verne’s 20,000 leagues under the sea gave its name to several actual military subs? #booksky #sciencefiction #writingcommunity

Did anybody find any fragments of the meteor seen over Cleveland today?

Here’s a little trivia for you, #writingcommunity! Mark Twain went bankrupt investing in which new invention? #booksky

If you are a ham radio operator, did you know you can do science with your signals? Join HAMSci 2026 this weekend and find out more! (i’m gonna be the dinner speaker) hamsci.org/hamsci2026 #HamRadio #ARRL #AmateurRadio

So 2024YR4 is no longer expected to hit the moon…but… Want to know more about cosmic collisions? I’ve got some books for you! a.co/d/0hdn7Hjs #astronomy #news #kidlit

Unboxing the new I do NASA science stickers! Follow the QR code and you’ll find dozens of NASA science projects you can join right now. science.NASA.gov/citizen-science #scienceathome #stem #scicomm #astrophotography #space #photography

More than 58000 eclipse images at your fingertips! Eclipsemegamovie.org/database #astrophotography

60° and the snow is melting. My grill with its dark cover, made its own micro climate, complete with fog! #blizzard of ‘26. #photography

Propylene glycol. It’s not just for deicing planes! It also goes in vapes and in Big Mac sauce. #cooking #food #chemistry

Galaxy Zoo: Tidal Tales! View pics of distant galaxies and help astronomers decide if they are in the process of merging. www.zooniverse.org/projects/ast... #citizenscience #scienceathome #news #astrophotography #space

Can comets be different colors? You bet! To learn more about comets, read Cosmic Collisions: Asteroid vs Comet! a.co/d/0jbtWVx4 #astronomy #astrophotography #kidlit #booksky

Magueyes Island Marine Research station. Home to Prof. Roy Armstrong’s awesome autonomous vehicle lab. #puertorico #science #oceans

The 265' fuel barge Defiant has been stuck on the rocks off the San Felipe del Morro Castle shoreline—in view of all the tourists. It makes creepy noises too. #puertorico

Check out the color of the Open Nature Blue Heirlooms compared to the Vitals. It’s hard to see it but the Blue Heirlooms yolk is much taller too. #cooking #food

Awesome fireball over New Zealand yesterday! #astronomy #news #astrophotography

New map of the closest pair of colliding ultraluminous spiral galaxies shows powerful winds shaped by magnetic fields arxiv.org/abs/2510.26570 #astronomy #news #cosmiccollisions

More than 650 amateur scientists have now become coauthors of published, refereed scientific papers through their work on NASA citizen science. science.nasa.gov/citizen-scie... #astrophotography #space #news

Asteroids, the classic video game! Just a few reactions here from this astrophysics nerd. #gaming #physics

A spectacular gallery of dusty disks around nearby stars from the ALMA radio telescope. www.aanda.org/articles/aa/... #astronomy #news

Thanks to @cephalopernicus.bsky.social for this correction!

The spinniest asteroid! Goes around once every 1.9 seconds. #astronomy #news

Behold! The infinity galaxy! #astronomy

Cool new results from the Webb telescope on colliding dwarf galaxies! iopscience.iop.org/article/10.3... #astronomy #cosmiccollisions #news

New NASA citizen science project alert! www.zooniverse.org/projects/vic... #astrophotography #space #science #news #scienceathome

What’s Cloud-9? #astronomy #astrophotography #space ui.adsabs.harvard.edu/abs/2025ApJ....

Thanks to all the Cosmic Collisions fans who have sent me cards!! See they’re on my wall. a.co/d/5SOFhZw #writingcommunity #booksky #booktok #kidlit

This 'runway' blackhole moving at 2.2 million miles per hour may be the result of a #cosmiccollision arxiv.org/abs/2512.04166 #astronomy #news #space

Gorgeous colliding spiral galaxies for your holiday pleasure! #cosmiccollisions images from JWST and Chandra. #astrophotography #space

The Penguin and the Egg. I love this Hubble image of colliding galaxies! No, the telescope does not travel to the galaxies to take the picture. #astrophotography #space

Another poof of dust in Fomalhaut’s debris ring! #cosmiccollisions #astronomy #space #news

NASA volunteers have been monitoring 274 lakes around the world! A new paper shows their impact. science.nasa.gov/get-involved... #science #news

Wishing you all a happy hypothesis and a cosmic new year! #gifts #kids #childrensbooks #kidlit #xmas #chanukah a.co/d/cyR9hbd

Holmium has the highest magnetic permeability of any element. Love those 67 protons! #science #chemistry

Today! Bring the family and help astronomers wrangle distant galaxies! pages.scistarter.org/nasa-live/ #citizenscience #scienceathome #space

Thank you for sciencing with us!! #citizenscience

Happy Thanksgiving, everybody!

Shoutout to Emma S. Clark library in Setauket, NY. This was my hometown library growing up! #writingcommunity #booksky #kidlit

Bosons are fundamental particles that can be in the same place at the same time—just like the wakes from two ferry boats crossing at right angles. #physics #nature

NASA funded a new crop of citizen science projects! science.nasa.gov/get-involved... #space #news

You might find the next 3I/ATLAS at CometCatchers.net! It’s NASA’s newest #citizenscience project. #astronomy #space #astrophotography

Janet Jackson fans take note! NASA just launched a mission called ESCAPADE that will help us understand how Mars lost its water and its atmosphere. #space #astronomy #news

NASA scientists need your help! Join the fun, meet new people, and make a lasting impact at science.NASA.gov/citizenscience #space #nature #retirement #scienceathome #astrophotography #teacher #librarian

Remember the “Tunguska Blast” in Ghostbusters? That’s a real thing. #astronomy #ghosts #paranormal #history

Asteroid vs. Comet. Which one will survive this cosmic collision? a.co/d/anQPTNd #astronomy #kids #kidlit #writingcommunity #booksky #space

Into crystals and gems? There’s a new kind of tektite for you to collect! The discovery points to an 11 million year old crater that might be hidden somewhere in Australia. #astronomy #space #geology #news

Something to think about if you ever want to live on the moon! #astrophotography #astronomy #news

Librarians, teachers: Interested in a Zoom visit?

Do interstellar comets seed planet formation? meetingorganizer.copernicus.org/EPSC-DPS2025... #astronomy #space #nature

Congrats to Siddharth Patel, a 12 year old Canadian who found two candidate asteroids with NASA’s IASC project! Teachers, sign up your classroom at iasc.cosmosearch.org #space #stem #astronomy #education #citizenscience

Rocking my new backyardworlds.org shirt today! Thanks, Peter Jalowiczor! #citizenscience #astronomy #astrophotography #space

So the Earth has quasi-moons! What is the difference between a moon and a quasi moon? (And which one should I howl at?) #astronomy #news #nature #astrophotography

Geophysicist Stefan Burns reported that a Coronal Mass Ejection from the Sun is heading right for interstellar comet 3/ATLAS. Collision expected on October 29. #astronomy #space #news #astrophotography #nature

Meet Earth’s second moon! Well, really it’s a quasi-moon, asteroid 2025 PN 7. #astronomy #news #astrophotography #nature #space

Witness the largest explosions in the universe and help scientists figure out what’s causing them! www.zooniverse.org/projects/amy... #astronomy #citizenscience #astrophotography

This Monday night is the best night to catch 2 comets in the sky at once! Several articles have pointed out that one of them was discovered by an amateur astronomer/citizen scientist. (Of course, most comets are discovered by citizen scientists!) #astrophotography #news

Want to go to Mars one day? Try your hand at spotting Martian clouds! www.zooniverse.org/projects/mar... #scienceathome #citizenscience #space #astronomy

It’s amazing how much one simple image can teach us about physics. Compare the sizes of these two instruments! Frequency = speed/wavelength. #physics #music

Never seen Halley’s Comet? Don’t worry. You’ll be able to watch pieces of it hit Earth on October 21! #astrophotography #astronomy #news

A weird gamma ray burst may be showing us a white dwarf being devoured by a black hole. badastronomy.beehiiv.com/p/a-white-dw... by @philplait.bsky.social #astronomy #news

A newly observed wave crossing the Milky Way may point to a galactic collision. www.aanda.org/articles/aa/... #astronomy #news

The Silverpit Crater. Cosmic Collisions in action! #news #scicomm #england

Most of NASA’s citizen science projects remain active during this government shutdown. Pick one below and come Do NASA Science! #space #news

A once-in-a-lifetime tour of @jeffkinney.bsky.social’s office @anunlikelystory.bsky.social! Any Diary of a Wimpy Kid fans out there?

Can’t wait to meet everyone @anunlikelystory.bsky.social bookstore tomorrow, 9/27, 4pm! 111 South Street, Plainville, MA. Get tickets here! www.eventbrite.com/e/dr-marc-j-...

Get a kick out of gravitational waves? Yes you can! #astronomy #news

Bad news for astronauts: citizen scientists find that space salads cause leaky gut syndrome. You can join the team here! science.nasa.gov/citizen-scie... #citizenscience #news