The 'True' Neutrino Has Hidden from Physicists for Decades. Could They Find It in Antarctica? By Paul Sutter Neutrinos are the changelings of the subatomic world, but physicists are getting closer to pinning down the particles' true identities.
Truly Spooky: How Ghostly Quantum Particles Fly Through Barriers Almost Instantly By Mindy Weisberger Scientists recently unraveled a physics puzzle that has stymied experts since the dawn of quantum mechanics.
'Artificial Gravity' Bed-Rest Study to Track Space Travel's Effects on Human Body By Mike Wall Some brave people will soon lie down for science — and they won't get up for a long, long time.
Space Development Agency Promises to Do More with Less By Sandra Erwin The Space Development Agency officially came into existence last week and already is causing a stir.
Mariner's Astrolabe from 1503 Shipwreck Is World's Oldest By Stephanie Pappas An astrolabe found at a shipwreck site in Oman is the oldest one ever discovered.
Whirling 'Cannonball' Pulsar Flees Supernova Site at Epic Speed By Sarah Lewin A supernova explosion flung out a super-dense, whirling stellar core, sending it streaking across space at almost 2.5 million miles per hour with a glowing trail 13 light-years long in its wake.
Powerful Bering Sea Fireball Spotted from Space in NASA Photos By Mike Wall NASA's Terra satellite captured striking views of the meteor that exploded over the Bering Sea on Dec. 18, 2018.
These Two Cosmic 'Chimneys' Could Be Fueling the Galaxy-Sized Bubbles Looming Over the Milky Way By Brandon Specktor Scientists made an X-ray map of the center of the galaxy — and they found two chimneys of plasma.
Image of the Day By Hanneke Weitering It's a bird! It's a plane! Nope, that's the International Space Station zooming past the moon at an impressive speed of about 5 miles per second.
Meet 'Kazachok': Landing Platform for ExoMars Rover Gets a Name By Mike Wall The Russian-built landing platform for the ExoMars rover now has a name: 'Kazachok.'
NASA May Send a Smallsat Mission to the Giant Asteroid Pallas By Meghan Bartels NASA is considering funding a mission that would send a satellite the size of a mini-fridge to the asteroid belt to examine an unexplored world: a massive asteroid scientists call Pallas.
NASA's Chandra Space Telescope Captures the Tempest in a Cosmic 'Teacup' By Samantha Mathewson A powerful quasar has caused a raging storm in a distant cosmic structure known as the "Teacup."
More Than One Reality Exists (in Quantum Physics) By Mindy Weisberger Can two versions of reality exist at the same time? Physicists say they can — at the quantum level, that is.
Why This Poisonous Gas Could Be a Sign of Alien Life By Mike Wall Scientists hunting for signs of alien life shouldn't be so quick to dismiss carbon monoxide, a new study suggests.
Engineers Still Studying Problem with InSight Heat Flow Probe By Jeff Foust Engineers are still trying to understand why one of the main instruments on NASA's InSight Mars lander is stuck just below the Martian surface.
The Great Exoplanet Bake-Off: Why NASA Made an Oven-Fresh Alien Atmosphere in Its Lab By Brandon Specktor NASA scientists cooked up an alien atmosphere in their lab to solve the puzzle of "hot Jupiters."
Vernal Equinox 2019: Google Doodles Celebrate as Earth's Seasons Change By Tariq Malik The seasons change on Earth today, and Google is getting into the equinox spirit with a pair of doodles to celebrate the yearly milestone.
Here's the Right Way to Nuke an Asteroid (Sorry, Bruce Willis) By Meghan Bartels If you want to use a nuclear weapon to save the world from an asteroid, don't try to do it the way Bruce Willis did, NASA's planetary defense office would like to remind you.
Surprise! 'Active Asteroid' Bennu Is a Rare Particle-Ejecting Space Rock By Mike Wall The near-Earth asteroid Bennu is one of just a dozen or so known 'active asteroids,' newly announced observations from NASA's OSIRIS-REx spacecraft reveal.
