-
The Search for Habitable Alien Worlds in Earth's Backyard Heats UpA new instrument designed to find potentially habitable alien worlds in the nearest star system to our own sun just revved up.
-
Stratolaunch, Builder of World's Largest Airplane, May Be ClosingThe world's largest airplane may be grounded after just one flight.
-
UFOs Are Real, But Don't Assume They're Alien SpaceshipsAliens shouldn't be the default explanation for weird stuff in the sky.
-
Could Dead Aliens Help Save Humanity?It might take a dramatic extinction example to put us on the right path.
-
North Korea's Short-Range Missile Test Spotted from SpaceSaturday's test was the first in 18 months by North Korea.
-
Could Life on Earth Have Come from Another Star System?We may all be aliens whose home world orbits a distant star.
-
A Killer Asteroid Is Coming — We Don't Know When (So Let's Be Ready), Bill Nye SaysThe good news is, we can do something about it.
-
X-37B Military Space Plane's Latest Mystery Mission Passes 600 DaysExactly what it's doing up there is unclear.
-
The Most Distant Object Ever Explored Is Lumpy. And Astronomers Don't Know Why.Ultima Thule is weird.
-
Life May Have Evolved Before Earth Finished FormingThe first organisms may have evolved before the rocky planets formed.
-
High-Altitude Auroras Create 'Speed Bumps' for SatellitesThey help move pockets of air up where some spacecraft roam.
-
Israel's Beresheet Spacecraft Crashes Into Moon During Landing AttemptIsrael's first moon lander came up just short in its historic touchdown bid this afternoon (April 11).
-
Historic First Images of a Black Hole Show Einstein Was Right (Again)Albert Einstein's towering genius is on display yet again.
-
Why This Poisonous Gas Could Be a Sign of Alien LifeDon't sleep on carbon monoxide, alien hunters.
-
Here's What NASA's Opportunity Rover Saw Before 'Lights Out'There's a glorious panorama and a few sad thumbnails of a dark and dusty sky.
-
SpaceX Crew Dragon Splashes Down in Atlantic to Cap Historic Test FlightSplashdown occurred at 8:45 a.m. EST about 230 miles off the Florida coast.
-
Israeli Moon Lander Snaps Epic Space Selfie with a Full EarthThe newly released photo shows the robotic lander, known as Beresheet, looking back at Earth from a distance of 23,363.5 miles (37,600 kilometers).
-
Newfound 'FarFarOut' Is Most Distant Solar System Body Ever Seen -
Weird 'Snowman-Pancake' Asteroid Gets Its Close-Up. And It Really Is an Oddball.The best-ever photos of Ultima Thule have made it down to Earth, and they heighten the intrigue about the frigid and faraway world.
-
Why It'll Take Israel's Lunar Lander 8 Weeks to Get to the MoonAn Israeli moon lander just took to the skies, but we'll all have to wait nearly two months for its historic touchdown try.
-
A Brilliant Daytime Meteor Exploded Over Cuba This Month. Here's Where It Came FromAstronomers just got the goods on the meteor that flared up over Cuba earlier this month.
-
Meet Hippocamp: Neptune's Smallest Moon Has a Name (and a Violent Past)A faint and frigid little moon doesn't have to go by "Neptune XIV" anymore.
-
Trump Signs Directive to Create a Military Space ForceThe Space Force just took a big step from sci-fi-sounding dream toward reality.
-
Mars Rover Opportunity Is Dead After Record-Breaking 15 Years on Red PlanetOne of the great exploration stories of our time is officially over.
