Planetary defense has moved from science fiction to a live engineering problem, and the stakes could not be higher. The central question is no longer whether an asteroid will eventually head our way, ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

The animation, provided by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS), shows the path of a 130- to 300-foot-wide asteroid — named 2024 YR4 — having a more than 1 percent ...

Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.

CHICAGO -- A newly discovered asteroid roughly the size of an Olympic swimming pool has a "small chance" of colliding with Earth in 23 years, with a potential impact on Valentine's Day in 2046, ...

Although it won’t hit Earth, an asteroid once labeled a “city killer” is now back in the spotlight — this time, because it might hit the moon. KTLA spoke with Davide Farnocchia, a navigation engineer ...

"You can think of it as a cosmic pool game. We might miss the pocket if we don't consider all the variables." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Experts explain why it's "routine" and highlights another encounter in 2029. A plane-sized asteroid scheduled to pass Earth next week is making headlines, but NASA experts want the public to ...

The label "space rock" feels like an understatement for what NASA just observed. A rock is something you throw at a window to get someone's attention. A rock holds down your picnic blanket to keep it ...

Nexstar’s KTLA spoke with Davide Farnocchia, a navigation engineer at NASA’s Jet Propulsion Laboratory who works in the agency’s Center for Near-Earth Object Studies. He shared how scientists tracked ...