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 head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Planetary Society Chief Scientist Bruce Betts notes while counterintuitive, the odds of impact go up before they drop to zero.

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

A giant space rock hurtling towards Earth at thousands of miles per hour might sound like something from a sci-fi film, but a ...

Even the smallest odds of an impact sound alarming, but scientists’ ability to calculate them is actually good news.

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

NASA reported that a newly identified asteroid has a more than 1 percent chance of striking Earth in December 2032, per a statement released by the agency. Now, astronomers have bumped up that ...

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the Sun. Shockwaves powerful enough to flatten everything ...

We’ll be able to follow the asteroid as it recedes ... too small to cause problems to life on Earth. There is far more tiny debris out there than larger chunks so impacts from objects that ...

But it was more than enough ... from Earth.” Bennu — a rubble pile just one-third of a mile (one-half of a kilometer) across — was originally part of a much larger asteroid that got ...