Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

FLAGSTAFF, Ariz. - Scientists across the world are focusing on an asteroid that has a slim chance of hitting Earth. Here's what to know about the asteroid, as well as the role one Arizona observatory ...

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NEW YORK -- An asteroid NASA's been tracking for nearly 25 years could impact Earth in the future, a new report reveals. First discovered in 1999, Bennu, the near-Earth asteroid, could possibly drift ...

An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: Asteroids that share Venus's orbit and may ...

WASHINGTON, Feb 6 (Reuters) - The rocky object called Bennu is classified as a near-Earth asteroid, currently making its closest approach to Earth every six years at about 186,000 miles (299,000 km) ...

If the near-Earth asteroid Bennu were to collide with Earth in the future, the space rock could cause substantial global damage, even though it’s a fraction of the size of the asteroid that wiped out ...

NASA officials this week said recent calculations show a significantly smaller risk than previously believed that Earth could be annihilated in 2032 as a result of being hit by Asteroid 2024 YR4. The ...

An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: asteroids that share Venus’s orbit and may ...