In 2022, NASA rammed a spacecraft into an asteroid to see if it could alter its orbital period around its parent asteroid. The mission, dubbed the Double Asteroid Redirection Test (DART), aimed to ...

How does a planetary defense mission intended to push an asteroid off course manage to release a torrent of boulders with the same momentum as the spacecraft? NASA’s groundbreaking experiment, the ...

Video from the Caracol Archaeological Project 2025 season ...

Paul Wiegert, a Western physics and astronomy professor, shares insights on asteroid 2024 YR4 and the likelihood it will hit Earth or the Moon.

Planetary defense scientists say NASA’s DART asteroid redirection mission sent space rocks hurtling on unexpected ...

A large asteroid will pass close to Earth in July 2025. NASA and ISRO are closely monitoring its trajectory. The asteroid, ...

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.