Starquakes Rock Alien Sun, Revealing Details of a 'Hot Saturn' By Rafi Letzter NASA's TESS mission has, for the first time, detected a planet orbiting a star with visible starquakes.
Ready for the Red Planet! NASA's Mars Helicopter Aces Key Flight Tests By Mike Wall The 4-lb. Mars Helicopter, a technology demonstration that will launch with NASA's next Red Planet rover in July 2020, aced its first-ever test flight under Red Planet conditions.
Rare Disintegrating Asteroid Spied by Hubble Telescope (Photo) By Mike Wall Two long, narrow tails of material are streaming from a 2.5-mile-wide (4 kilometers) rock in the main asteroid belt between Mars and Jupiter, a new study reports.
Weirdly Colored Saturn Moons Linked to Ring Features, NASA's Cassini Revealed By Charles Q. Choi The bizarre shapes and diverse colors seen in some of Saturn's moons may now be explained, with the help of data taken by NASA's Cassini spacecraft before it plunged to its doom.
Mars Had Big Rivers for Billions of Years By Mike Wall Mars had large rivers long after the planet lost most of its atmosphere to space, a new study suggests.
These Scientists Want to Send a NASA Probe to Jupiter's Volcanic Moon Io By Meghan Bartels When it comes to moons, potentially habitable worlds tend to steal the spotlight — but NASA may send a mission to a world that's certainly dead biologically, but far from it geologically.
Astronomers Find Fossils of Early Universe Stuffed in Milky Way's Bulge By Brandon Specktor Some of the oldest stars in the universe are hiding out in the Milky Way’s muffin top.
Asteroid Strikes May Have Made Mars a More Life-Friendly Place By Mike Wall Asteroid impacts may have helped make Mars a more life-friendly place — and not just by delivering water and the carbon-based building blocks of life as we know it to the Red Planet.
Google Street View Takes the Armchair Explorer to Mars (Actually, the Canadian Arctic) By Hanneke Weitering Now you can explore one of the most Mars-like places on Earth from the comfort of your own home, thanks to a new partnership between Google and the NASA Haughton-Mars Project.
Hubble Telescope Reveals What 200 Billion Stars Look Like (Photos) By Meghan Bartels Two incredible new images from the Hubble Space Telescope show galaxies in all their shining glory.
NASA Moon Orbiter Tracks Chinese Rover on Lunar Farside (Photos) By Leonard David NASA's Lunar Reconnaissance Orbiter continues to monitor the whereabouts and wanderings of China's Yutu 2 rover on the moon's far side.
Flat-Earthers' Cruise Will Sail to Antarctica 'Ice Wall' at the Planet's Edge. Right. By Mindy Weisberger A flat-Earthers conference promises a cruise to Antarctica.
Visit the Heart of the Milky Way in This 360-Degree, 4K Simulation (Video) By Sarah Lewin Put yourself at the center of an ever-changing Milky Way with this new immersive video of the galaxy's core.
Behold! Jupiter Is a Breathtaking 'Marble' in This NASA Juno Photo By Meghan Bartels You've never seen Jupiter look like this.
World's Largest Atom Smasher May Have Just Found Evidence for Why Our Universe Exists By Stephanie Pappas An asymmetry between matter and antimatter has been observed in the charm quark.
Birth of 'Great Dark Spot' Storm on Neptune Seen for 1st Time (Photo) By Mike Wall For the first time ever, astronomers have witnessed the birth of one of Neptune's enormous 'Great Dark Spot' storms.
Chemically, Earth Is Basically a Less Volatile Version of the Sun By Mindy Weisberger The elemental composition of Earth and sun are unexpectedly similar.
Universe Quickly Spawned Stars After Big Bang, Ancient Galaxy Shows By Nola Taylor Redd Observations of the most distant galaxy ever identified revealed traces of oxygen from at least one previous generation of stars, a sign that star formation got off to an early start.
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.
