Physicists Think They've Figured Out the Most Extreme Chemical Factories in the Universe By Rafi Letzter Our world is full of chemicals that shouldn't exist. New research could explain why they exist anyway.
The Universe's Dark Secret: Where Did All the Antimatter Go? By Paul Sutter So there's this stuff called "antimatter." But a weirdly small amount of it.
Get Ready for Milky Way Season with These Galactic Night-Sky Photos By Hanneke Weitering The Milky Way stretches across the early-morning sky in these glistening views captured by astrophotographer Sérgio Conceição in Campinho, Portugal.
NASA Needs Fresh Moon Rocks. This Sample-Return Mission Could Get Them. By Meghan Bartels Thanks to the Apollo missions, scientists have their hands on hundreds of pounds of lunar rock right here on Earth. But because of a twist of fate, it isn't quite enough to solve a major puzzle.
Rocket Lab Scrubs Launch of Experimental DARPA Military Satellite By Tariq Malik The small-satellite launch company Rocket Lab called off the planned flight of an experimental satellite for the U.S. military Sunday (March 24) due to a video transmitter issue.
Rocket Lab to Launch R3D2 Prototype for DARPA! Here's How to Watch. By Tariq Malik Rocket Lab is counting down to its first flight of 2019, an experimental satellite for the U.S. military, and you can watch it live online today (March 24).
Space Webcasts: Rocket Lab Scrubs Launch of DARPA Satellite By SPACE.com Staff A Rocket Lab Electron booster will launch the military R3D2 space antenna prototype satellite today, March 24, from New Zealand.
On This Day in Space! March 25, 1655: Christiaan Huygens Discovers Saturn's Moon Titan By Hanneke Weitering On March 25, 1655, Saturn's moon Titan was discovered by the Dutch scientist Christiaan Huygens. See how it happened in our On This Day in Space Video Series.
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.
How NASA Scrambled to Add Science Experiments to Israeli, Indian Moon Probes By Meghan Bartels NASA science instruments are flying to the moon aboard two international lunar missions, according to agency officials.
The Most Amazing Space Photos This Week! By Doris Elin Salazar Here are our picks for the most amazing space photos of the week.
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.
2020 Mars Helicopter Could Open Alien Skies to Exploration By Mike Wall A few brief hops in the Martian air two years from now could open alien worlds to an entirely new kind of exploration.
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.
Day and Night Are Perfectly Balanced in Spring Equinox Photo Snapped from Space By Laura Geggel Earth just got another dazzling glamour shot, thanks to a satellite that snapped its photo on the March 20 spring equinox.
Spacewalking Astronauts Swap Space Station Batteries in Power Upgrade By Hanneke Weitering The International Space Station got a power upgrade today (March 22) as two NASA astronauts took a spacewalk to install new batteries on the station's solar arrays.
