The weight of the asteroid may vary from 51 million kg to more than 711 million kg, and the energy required to move each of those weights precisely differs greatly.

Asteroid 2024 YR4 caused quite a stir last year when it was discovered and originally calculated to have a 3 percent chance of hitting Earth.

Asteroid 2024 YR4 caused quite a stir last year when it was discovered and originally calculated to have a 3% chance of ...

That killed T. rex? Berkeley team says it was it was a space impact after all. Feb. 7, 2013 — -- Go digging with dinosaur hunters and they will show you that the last of the Cretaceous beasts ...

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

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

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The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

A plane-sized asteroid scheduled to pass Earth next week is making headlines, but NASA experts want the public to understand why this encounter is more routine than remarkable. The asteroid is named ...

NASA has confirmed that asteroid 2025 TC, about 44 feet wide, will make a near pass by our planet on 3 October.

Today's living night lizards—like Xantusia vigilis (pictured)—are descendants of a common ancestor that lived roughly 90 million years ago, well before the Chicxulub asteroid struck Earth 66 million ...

An asteroid strike 66 million years ago caused a mass extinction that wiped out 75% of Earth’s animal species, including all non-avian dinosaurs. But “night” lizards survived. A new Yale study has ...