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 ...

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on Dec. 22, 2032.

February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

NASA’s Asteroid Terrestrial-impact Last Alert System (ATLAS ... of a celestial object by intentionally slamming a spacecraft into one, like they did in 2022 when the agency’s DART mission (Double ...

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...

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.

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