Scientists Find Direct Evidence of 'Day One' of Dinosaurs' Extinction
The apocalyptic 24 hours after a huge asteroid struck Earth is written into the center of an underwater impact crater.
Scientists Have Detected a Huge Anomaly Under the Moon’s Largest Crater
An object five times larger than Hawaii’s Big Island is embedded miles under an impact crater on the far side of the Moon.
NASA Releases Opportunity Rover’s Final Panoramic View of Mars
Opportunity spent its final months building this panorama of its location, which is now its gravesite.
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.
How an Ancient Rock Carrying Earth’s Oldest Known Crystals Ended Up on the Moon
"Big Bertha," a lunar rock that was picked up by Apollo 14 astronauts, originated on Earth 4.1 billion years ago, according to a new study.
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.
The Martian North Pole Is a 'Winter Wonderland' Right Now, New Photo Shows
Korolev crater contains a permanent ice field that stretches over a mile deep.
A New Study Shows Exactly How the Dinosaurs Died
The study provides the best evidence yet as to what happened 66 million years ago when an asteroid smashed into Earth.
Climate Change Just Opened a 'Gateway to the Underworld' in Siberia
In the heart of Siberia’s boreal forest gapes a monstrous chasm local Yakutians call a "gateway to the underworld."
Now You Can Chart a Medieval Map of Mars
Be sure to bring Eleanor Lutz's scientifically-accurate map next time you're out trekking the dry dunes.
Turkmenistan’s 'Gates of Hell' Now Attracting Tourists, Spiders
The gas crater has been ablaze for over 40 years.