What's the Difference Between Asteroids, Comets and Meteors? By Tim Childers Look! Up in the sky! It's an asteroid.... No, it's a comet.... Wait, it's neither?
Extraterrestrial Mineral Never Before Seen on Earth Found Inside a Famous Meteorite By Yasemin Saplakoglu A never-seen-before extraterrestrial mineral was lurking inside a meteorite found nearly 70 years ago.
Meet the 'Giant Elephant Trunks,' Mysterious Cosmic Structures 10 Times Bigger Than the 'Pillars of Creation' By Adam Mann Astronomers have spotted enormous column-shaped structures called Giant Elephant's Trunks in the galaxy
A 'Quarkonium Spectrum' of Exotic Particles Might Lurk in the Universe, So Why Can't We Find Them? By Paul Sutter There are some odd little particles out there that are bound by the strong nuclear force, but physicists can barely get a glimpse of them before they flit out of existence.
Giant Ammonia Storms Are Screwing with Jupiter's Beautiful Brown and White Belts of Color By Rafi Letzter Powerful storms have erupted on Jupiter, and they're screwing up the planet's beautiful belts of white and color.
Scientists Are Building a Real-Life Version of the Starship Enterprise's Life Scanner By Adam Mann A novel method relying on biochemistry could provide an unambiguous signal of life on other worlds.
Hurricane Dorian Looks Massive from Space As NASA Prepares for Impacts By Meghan Bartels Hurricane Dorian's clouds are staggering, a massive swirl of white surrounding the knotted eyewall at the storm's heart, in this image taken from space.
China's Lunar Rover Just Found Something Weird on the Far Side of the Moon By Andrew Jones China's Chang'e-4 lunar rover has discovered an unusually colored, 'gel-like' substance during its exploration activities on the far side of the moon.
Astronaut Spots Eye of Hurricane Dorian from Space Station By Meghan Bartels Hurricane Dorian is terrifying even from the International Space Station, where astronaut Luca Parmitano captured photos of the Category 5 storm.
A Volcano-Covered Exomoon May Circle a Planet 550 Light-Years Away By Yasemin Saplakoglu If confirmed, it may be the first "exomoon" discovered.
Astronaut in Space Stares Into the Eye of Hurricane Dorian, a Category 4 Storm By Tariq Malik Hurricane Dorian is now a Category 4 storm. See views of its eye from space by astronauts and satellites.
How Big Is the Universe? By Isobel Whitcomb Ever wanted to time travel? Just look out at the night sky.
NASA's Tiny New Atomic Clock Could Let Spacecraft Drive Themselves in Deep Space By Rafi Letzter NASA has switched on a new, super-precise, space-based atomic clock that the agency hopes will one day form the backbone of a new generation of space exploration technologies.
Are Dark Photons the Secret 'Fifth Force' Holding Our Universe Together? By Paul Sutter Wherever they are, they sure are good at hiding.
Monstrous ‘Kilonova’ Explosions May Be Showering a Nearby Galaxy in Gold By Brandon Specktor The universe's most massive objects are crashing into each other, and they're leaving a rain of gold and platinum behind them.
Astronomers Baffled by 'Cosmic Mountain Ranges' Jutting Through the Milky Way By Mara Johnson-Groh They have very little idea how these stunning geographic features form.
Pluto Still Deserves to Be a Planet, NASA Chief Says By Passant Rabie Pluto lost its "official" planet status over a decade ago, but fans of the solar system's underdog are still rooting for it. And NASA Administrator Jim Bridenstine is one of them.
To Hunt Gravitational Waves, Scientists Had to Create the Quietest Spot on Earth By Dana Najjar The largest physics detector on Earth hunts gravitational waves. But it needs to be really, really quiet to find them.
Physicists Just Released Step-by-Step Instructions for Building a Wormhole By Paul Sutter All you need are a couple of black holes and some cosmic strings. No biggie.
The World's First Space Crime May Have Occurred on the International Space Station Last Year By Brandon Specktor What happens when an alleged crime occurs in space? It starts with an investigation on Earth.
