Evidence of an Alien Planet Spotted Around a White Dwarf, a Cosmic First By Mike Wall For the first time ever, astronomers have spotted evidence of a planet circling a superdense stellar corpse known as a white dwarf, a new study reports.
SpaceX to Launch Beer Experiment, 'Mighty Mice' and More for NASA Today. How to Watch By Chelsea Gohd SpaceX is about to launch beer, "mighty mice" and much, much more to the International Space Station.
Hoag's Object Is a Galaxy Within a Galaxy Within a Galaxy (and Nobody Knows Why) By Brandon Specktor Hoag's object, which is a galaxy within a galaxy within a galaxy, has befuddled stargazers since astronomer Arthur Hoag discovered it in 1950.
Massive 'Dust Towers' on Mars Look Like Supersized Versions of Earth's Thunderstorms By Doris Elin Urrutia Massive dust towers on Mars that formed during global storms may be 'space elevators' that contributed to the loss of the planet's ancient water, according to NASA's description of new research.
Europe Officially Signs on for Asteroid-Smashing Effort By Mike Wall The European Space Agency has officially approved the Hera mission, which will assess the results of NASA's asteroid-walloping Double Asteroid Redirection Test.
Japanese Asteroid Probe Tests Ion Engine for Journey Home to Earth By Leonard David A recent test of the ion engine that powers Japan's Hayabusa2 spacecraft went well, clearing the hardware for full-on operations soon, mission team members announced late last week.
Scientists Spot Rare Minimoon Fireball Over Australia By Chelsea Gohd A fiery explosion over the Australian desert may have been an ultra-rare minimoon, researchers think.
Radio Telescope Unfurls 3 Antennas Beyond the Far Side of the Moon By Meghan Bartels In a quiet orbit around the far side of the moon, three radio antennas are now outstretched, craning for whispers from a mysterious period early in the universe's history.
There Might Be Cracks in the Universe — But We Can't See Them from Earth By Rafi Letzter The cracks, if they exist, are old, remnants of a time shortly after the Big Bang.
Is the Universe Curved? Not So Fast By Paul Sutter A new study has called into question the prevailing notion that the universe is "flat." The stakes of this cosmological debate are huge.
This Newfound Monster Black Hole Is Too Big for Theories to Handle By Elizabeth Howell Scientists recently found a black hole so big that current theory strains to prove it exists, a new study reports.
A Black Hole Is Boosting Star Birth in Multiple Galaxies from Trillions of Miles Away By Samantha Mathewson While black holes are famously known for devouring any matter that gets too close, these cosmic behemoths may have a nurturing side, too.
It's 'Black Hole Friday'! Take a Break from Shopping to Celebrate with NASA (Video) By Mike Wall NASA is trying to rebrand the spend-happy day after Thanksgiving, inspiring us to appreciate the wonders of the universe by contemplating its most extreme objects.
Happy Mars-iversary, InSight! NASA Lander Marks 1 Year on Red Planet By Mike Wall How time does fly: NASA's InSight Mars lander has now been on the Red Planet for a full (Earth) year.
What If the Earth Was Flat? By Stephanie Pappas A flat Earth would inhabit an entirely different physical reality than the one we know.
Astronomers Will Use Gravitational Waves to Observe a 'Black Hole Symphony' By Samantha Mathewson Gravitational-wave astronomy may help researchers paint a more complete picture of black hole activity.
Interstellar Comet Borisov Shines in New Photo By Mike Wall A new photo shows the solar system's second confirmed interstellar visitor in an impressive new light.
3 Black Holes Possibly Seen Cooking Their Galaxies Alive By Rafi Letzter Without the turbulence, the galaxies would die in just a few billion years.
Do We Live in a Quantum World? By Paul Sutter At some point, the rules of the subatomic give way to the rules of the macroscopic. But how? We're not exactly sure, and it's been a long, strange journey in trying to answer that question.