Asteroids
Mars Once had Enough Water for a Planet-Wide Ocean 300 Meters Deep
New research has shown that Mars may have been covered in a worldwide ocean when Earth was still covered in…
What Would Asteroid Mining do to the World's Economy?
A new study by a team of Chinese researchers examines the impact asteroid mining with have on global equity.
It’ll be Tough to Stop an Asteroid at the Last Minute, but not Impossible
A team of satellite experts have designed a navigation system that could save Earth from a collision at the last…
Three New Potentially Hazardous Asteroids Discovered, Including a big one That Measures 1.5 km Across
An asteroid 1.5 km across is no joke. Even a much smaller one, about the size of a house, can…
When an Asteroid Gets Close to Earth, we get a Rare Opportunity to Learn What it’s Made of
Gravity calculations can provide plenty of insight into a variety of phenomena. Everything from Einstein rings to the rocket equation…
Lucy Took This Picture of Earth as it was Making its Gravity Assist Maneuver
We may take it for granted, but every day we receive picture postcards from the robotic travelers we have sent…
The Asteroid That Killed the Dinosaurs Also Flooded the World's Coastlines With a Catastrophic Tsunami
New research shows that in addition to killing the dinosaurs, the Chicxulub Impact caused a global tsunami 30,000 more powerful…
Astronomers Have Found More Than 30,000 Near-Earth Asteroids… so far
Asteroid hunters have become increasingly good at their job. The discipline, which took a back seat in the early days…
Thanks to Hayabusa 2’s Samples, Scientists can Track the History of Ryugu Earlier in the History of the Solar System
When Huyabusa2 returned a sample of Ryugu, a Near Earth Asteroid, to Earth in December 2020, it was sure to…
After Getting Slammed by DART, Asteroid Dimorphos has Grown a Tail
More images and details keep coming in about the asteroid intentionally smashed by NASA’s Double Asteroid Redirection Test (DART) spacecraft…