Tardigrades and Poop: What Does Space Law Say About Moon Clutter? By Yasemin Saplakoglu In recent decades, the moon has gathered a bit of invisible clutter.
Moonquake Detectives Decode Pattern Left on Lunar Surface Jan. 3, 1975 By Rafi Letzter It seems that at some point after astronauts visited the moon, a powerful moonquake sent boulders tumbling across the lunar surface. Here's what they tell us.
How to Watch the 2019 Perseid Meteor Shower Live Online By Elizabeth Howell One of the year's brightest meteor showers is about to take flight. If you face cloudy or light-polluted skies at home, however, never fear — the Perseids will also be streamed online.
Skywatching Spider Photobombs Perseid Meteor Shower By Meghan Bartels How do you spot a "shooting star"? Well, you don't look for eight legs; that's for sure.
X-37B Military Space Plane's Latest Mystery Mission Hits 700 Days By Mike Wall The U.S. Air Force's X-37B military space plane has now been circling Earth for 700 days, just a few weeks shy of the vehicle's spaceflight-duration record.
Earth's Last Magnetic-Field Reversal Took 22,000 Years By Passant Rabie Volcanic records revealed the complexity of the magnetic-field reversal.
Mysterious, Ancient Radio Signals Keep Pelting Earth. Astronomers Designed an AI to Hunt Them Down. By Rafi Letzter
3 Physicists Win $3 Million Prize for 'Supergravity' Discovery By Mike Wall Supergravity has inspired physicists for decades and may contain deep truths about the nature of reality.
Thousands of Tardigrades Stranded on the Moon After Lunar Lander Crash By Mindy Weisberger When you look up at the moon, there may now be a few thousand water bears looking back at you.
Why Thousands of Hawaiians (Including Jason Momoa) Are Protesting a Giant Telescope on Mauna Kea By Rafi Letzter Native Hawaiians argue that the Thirty Meter Telescope, set for construction on the sacred site, was planned without care for their concerns.
Apollo Samples Reveal the Moon Is Millions of Years Older Than We Thought By Brandon Specktor Study: The moon is very, very, very old.
Bits of Corpse from One of the Universe's Oldest Stars Found Inside Its 'Child' By Mindy Weisberger An ancient star in the Milky Way holds traces of another star that was among the oldest in the universe.
Martian Meteor Collision May Have Triggered a 1,000-Foot Tsunami By Isobel Whitcomb A 90-mile-wide scar on the Martian landscape is potential "ground zero."
An Asteroid Bigger Than the Empire State Building Will Pass Earth Soon. But Don't Worry. By Chelsea Gohd No, it will not hit us.
Scientists Find a Boiling, Toxic Wasteland of an Exoplanet, and It's Shaped Like a Football By Rafi Letzter This first-of-its-kind discovery reveals a new category of ultrahot exoplanet, one so thoroughly cooked that your cast-iron skillet would bubble, turn to gas and boil out of the atmosphere.
If Aliens Are Flashing Laser Beams at Us, We Now Have a Way to Detect Them By Tim Childers Are aliens using super powerful flashlights to get our attention? Astronomers think there's a chance they are.
Alien Planet Twice the Size of Earth May Be Able to Support Life By Passant Rabie GJ 357d could have water on its surface.
New 3D Map of the Milky Way Shows Our Galaxy's Heart Is Totally Twisted By Mindy Weisberger Researchers have mapped the Milky Way in unprecedented detail using data from thousands of giant, pulsating stars.
A Russian Space Cargo Ship Just Fell to Earth. See Its Fiery Demise. By Tariq Malik "It looked like a big firework," astronaut says.
