Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...

Picture this. You're sitting at breakfast, scrolling the news, when suddenly headlines scream that a space rock the size of a ...

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, ...

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

Good news: It's probably not going to hit Earth anymore. Bad news: It still could hit the moon — and some astronomers think NASA should blow it up. An asteroid that could be as big as the Statue of ...

Earth just had two close calls... and one went completely unnoticed. A small asteroid passed just 266 miles above Antarctica—closer than many satellites—before anyone even spotted it. Less than a day ...

If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These 11-million-year-old glass fragments differ chemically and geographically ...

At perigee – that's the closest point in its trajectory to Earth – 3I/ATLAS will be around 270 million kilometers (168 ...

A newly proposed plan by a team of scientists, including NASA researchers, suggests using nuclear explosive devices to prevent an asteroid from striking the moon in 2032. The asteroid, 2024 YR4, once ...