It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...

“The probability of an asteroid hitting Earth is low, but the consequences of a strike would ... For the first time in known ...

February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, asteroid 2024 YR4. The chance of this impact rose to a high of 3.1 percent on Feb ...

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks can still be threatening, as the surprise 56-foot (17-meter) rock that ...

An asteroid nearly the size of a football field now has roughly a 0.004% chance of hitting Earth in about eight years ... Rivkin led the investigation for NASA's 2022 DART mission, which ...

The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start worrying?

Agency looking at ways to use planet-threatening rocks’ tiny gravitational fields to slightly alter their trajectories ...

NASA is tracking a house-sized asteroid set to whiz past Earth tomorrow at a thundering 29,304 miles per hour. The space rock ...

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some ...

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking Earth are almost zero after earlier data had indicated a higher risk of a ...