Asteroids are the ancient remnants of our solar system's birth, rocky fragments that never formed into planets. Most of these ...

At least three city-killing asteroids that could strike Earth are hiding behind our closest neighbor in the solar system.

The asteroid 99942 Apophis is headed for a close flyby with Earth on April 13, 2029, and space agencies are coordinating efforts to study the object during this the once-in-a-lifetime experience.

A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still has a chance of smashing into the moon. Asteroid 2024 YR4 ...

It’s one of the first lines of defense against dangerous asteroids, being one of the sources for early detection. The asteroid 2024 YR4 was detected by the ATLAS telescope in Chile. It ...

Scientists have officially ruled out any threat from a newly discovered asteroid. After months of speculation, NASA and the ...

Gabe Whisnant is a Breaking News Editor at Newsweek based in North Carolina. Prior to joining Newsweek in 2023, he directed daily publications in North and South Carolina. As an executive editor ...

The asteroid, Asteroid 2024 YR4, which was first spotted by telescopes on Dec. 27, now has a 0.004 percent chance of hitting the planet and is “expected to safely pass… ...

CAPE CANAVERAL, Fla. — Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, scientists have almost fully ruled out any threat ...

A so-called "city killer" asteroid scientists have been monitoring after discovering it had a small chance of hitting Earth in 2032 "no longer poses a significant threat," NASA said in its latest ...

This faintness likely contributed to why 2024 YR4 4 eluded detection up until so recently. In addition, the shape of the asteroid, and its albedo – which measures how reflective the asteroid is ...