"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant ...

Space & Spaceflight Here’s What Would Happen If Asteroid Bennu Hit Earth Bennu has a 1-in-2,700 chance of colliding with Earth in 2182, causing a global winter and drought.

Objects around 150 feet wide have hit Earth before. If Asteroid 2024 YR4 hit the planet it would be a regional impact event, not impacting the whole planet. People, even a hundred miles away ...

Asteroid 2024 YR4 has a 2.8% to 3.1% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

An asteroid becomes a meteorite when it travels to Earth from a nearby orbit or the outer solar system and collides with Earth, according to the United States Geological Survey.

If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say. A study published this month links an uptick in ...

Asteroid 2024 YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed toward Earth.

First spotted last month by a telescope in Chile, a near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to 330 feet across.

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a football field as they try to determine how likely it is to strike Earth ...