Spacefarers may contaminate other worlds – but scientists have plans to keep the cosmos clean
The US wants to put a flag on Mars. But there’s a risk it could carry unwanted stowaways that might compromise future ...
A Billion-Year-Old Secret Unlocked in Asteroid Bennu’s Dust
Researchers are unlocking secrets of our solar system by analyzing asteroid Bennu samples, some of the most pristine ever collected. These fragments date back 4.5 billion years and contain salts, ...
Mashable17h
'Large' asteroid's odds of hitting Earth went up. But not why you think.
An image captured by the Asteroid Terrestrial-impact Last Alert System (ATLAS) when it discovered asteroid 2024 YR4. Credit: ATLAS / NASA It's certain that recently discovered asteroid 2024 YR4 ...