asteroids
Scientists Discover Chunk of Protoplanet Older Than Earth In Sahara Desert
No other known object has characteristics similar to EC 002, an ancient meteorite found in an Algerian dune sea last year.
Scientists Thought They Discovered a New Planet, Then It Disappeared
What looked like a Jupiter-sized planet a decade ago was actually the fallout of a cataclysmic space crash.
Scientists Determine How an Outer Space Object Got Shaped Like a Blunt
ʻOumuamua, the first interstellar object discovered in our solar system, was whittled into its elongated shape by stellar tides, scientists say.
OK, WTF is NASA’s Humanity-Saving Ion Engine?
The NEXT-C thruster doesn’t use volatile fuel, looks like Iron Man’s repulsors, and is being tested to one day save humanity from an incoming asteroid.
NASA Discovers Second Crater Hidden Under Greenland's Ice
Within a matter of months, NASA has discovered the first subglacial craters known to science. They’re both huge and relatively young.
Scientists Discover the Closest Known Asteroid to the Sun
It's one of 19 asteroids that have been detected within Earth's orbit.
Asteroids Crash Into Earth Over Twice as Often as 290 Million Years Ago
Scientists find that a surge in Earth impacts began during the Permian period, possibly because of disruptions in the asteroid belt.
These Amazing Photos Show the First Rover Landing on an Asteroid
Hayabusa2 is the first mission to deploy mobile robots onto an asteroid.
Japan Just Became the First Country to Deploy Rovers on an Asteroid
The Hayabusa 2 mission is visiting an asteroid 200 million miles from Earth to collect samples. The mission profile involves a lot of robots, bullets, and explosives.
Scientists Map Out How to Nudge Small Asteroids into Earth’s Orbit
A University of Glasgow team explores the subtle art of capturing asteroids without killing everybody.
Watch These Stunning Models of the Largest Star Map Ever Created
The European Gaia telescope releases data on 1.7 billion stars.
These Alien Diamonds Belonged to a Lost Mars-Sized World
Earth survived the solar system’s tumultuous infancy more or less intact. Other planets were not so lucky.