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 ...

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 ...

Asteroid 2024 YR4, a celestial body roughly the size of a small building, has captured global attention due to its potential to strike Earth in 2032. Although the probability of impact remains low, ...

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, ...

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 ...

In a plan ripped straight from the script of the 1998 movie "Armageddon," scientists have suggested a simple, if violent, method of dealing with a troublesome asteroid. Just nuke it. But in this case, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Friday (Feb. 15), an asteroid half the length of a football field will buzz close by Earth. It ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...

The moon is pummeled by asteroids nearly every day, creating new craters constantly that can range from a few feet to many miles across. The asteroid impacts, when they’re large enough, create flashes ...

Because it's big enough to be deemed a "city killer," asteroid 2024 YR4 became a source of alarm due to the uncommonly high risk it had of colliding with Earth on Dec. 22, 2032. While Earth may no ...