A NASA spacecraft knocked into an asteroid two years ago to test planetary defense. Now, a new mission will inspect the ...

An asteroid the size of a bus that is being dubbed a "mini-moon" has begun orbiting earth. Brian Hackney reports.

A SpaceX rocket that launched a planetary defense mission on Monday captured a breathtaking view of Earth shortly after reaching orbit.

Earth will have a cosmic guest. A so-called “mini moon” will join our actual moon in circling the planet until Nov. 25. What ...

Hera will survey the asteroid deflected by NASA's DART spacecraft, the results of which could lay the foundation of Earth's ...

The Hera mission is officially underway to investigate the after effects of DART, NASA's successful planetary defense test.

Today is likely to unfold with a sense of anticipation and readiness, as various astrological influences align to sharpen ...

Scientists are eager to examine the impact’s aftermath up close to know exactly how effective Dart was and what changes might ...

Two years ago, a NASA spacecraft smashed into a small asteroid millions of miles from Earth to test a technique that could ...

Remember when NASA deliberately crashed a spacecraft into an asteroid in 2022? Today, a different probe was successfully launched to get a close-up look at the aftermath of the collision. About the ...

There are many theories on how to best handle a rare (but possible) cataclysmic asteroid collision with Earth. Effectively testing these possible solutions against actual space rocks, however ...

"Understanding how different asteroid materials vaporize and deflect will be critical for preparing for a planetary defense mission, should the need arise." When asteroids hurtle towards Earth in ...