NASA experts explain why a passing asteroid isn't cause for concern, while revealing how often Earth encounters space rocks ...

While iridium is rare on Earth, it’s common in some asteroids, so this finding offered scientists a key piece of evidence that an asteroid impact led to the extinction of non-avian dinosaurs.

The night lizards may have been the only terrestrial vertebrates that survived in the region of the asteroid impact 66 million years ago, which led to the extinction of non-avian dinosaurs ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was impacted by NASA DART mission.

Asteroid 2024 YR4 was discovered on Dec. 27 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Río Hurtado, Chile.

An image captured by the Asteroid Terrestrial-impact Last Alert System (ATLAS) when it discovered asteroid 2024 YR4. Credit: ATLAS / NASA An asteroid discovered late last year is expected to be in ...

Apophis is a near-Earth asteroid that has captured global attention due to its close approach predicted for the year 2029. Measuring approximately 340 meters in diameter, this space rock has ...

The Bay Area researchers charged with defending the planet against asteroids The asteroid YR4 briefly threatened Earth with an impact in 2032, and Bay Area researchers were prepared to strike it ...

The number of dinosaurs may have been stable before the asteroid impact, despite evidence that species were getting less diverse ...

An international team is currently closely tracking the near-Earth asteroid 2024 YR4. The impact probability estimates for the year 2032 has been reduced from a peak of 3 percent to below 0.001 ...

How "asteroid detectives" protect Earth from potential impacts Astronomers believe that 14,000 undiscovered near-Earth objects like asteroids, large enough to cause damage, could be in space.

Thirty minutes. That's all it took, 66 million years ago, to put the future on track for you to be reading this. Had the Manhattan-Island-size asteroid that crashed into the Gulf of Mexico arrived ...