That asteroid is estimated to be between 35m to 77m in length. Finding asteroids is difficult because they travel fast against the blackness of space, making it difficult for instruments to detect.

WASHINGTON — A House hearing about how NASA is dealing with the threat posed by asteroid impacts turned into a discussion about a very different threat: the impact of proposed NASA budget cuts.

While asteroids are more easily discovered with optical telescopes, radar images shine when it comes to details. Rising out of the remote Mojave Desert, NASA's Goldstone Solar System Radar is a ...

China's Tianwen-2 asteroid sample return mission is set to launch this month, May 2025, en route to the asteroid Kamoʻoalewa (2016 HO3). The country could join the United States and Japan ...

The last major asteroid impact on Earth was the Tunguska Event in 1908 in Siberia, where an asteroid, estimated to be between 50–100 meters in diameter, exploded in the Earth's atmosphere and ...

NASA is dispatching the DART spacecraft to smack a moonlet (foreground), shoving it into a new orbit around its asteroid. In March 1989, an asteroid twice the size of a football field careened ...

Gianluca Masi from the Virtual Telescope Project captured asteroid 2023 BU when it less than 40,000 km (25,854 mi.) away from Earth earlier this year. It’s closest approach to Earth was about ...

An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in a matter of hours. Talk of asteroids coming too close for comfort to Earth may remind ...

A stadium-sized asteroid will pass by Earth on Friday, May 9. And if you're interested, you could see it happen in real time, thanks to a livestream from The Virtual Telescope Project. Known as ...

A massive, house-sized asteroid is streaking through space at a blistering 42,300 miles per hour, coming alarmingly close to Earth. Measuring between 49 to 111 feet in diameter, it is one of ...