What If on MSN

Watch what would happen if every asteroid hit Earth at once

What would happen if some of the deadliest asteroids in Earth's history struck the planet at the same time? The destruction ...

What was the largest meteorite ever to hit Minnesota?

An underground crater in Inver Grove Heights and a Champlin backyard find can tell us a lot about ancient history and outer ...

The Asteroid That Killed the Dinosaurs Was Stranger Than We Thought

Scientists are narrowing down the type of space rock that caused the mass extinction at the end of the Cretaceous period, and ...
Daily Star

40,000 asteroids identified as 'Near Earth' - and Armageddon threat is growing

Astronomers have catalogued the 40,000th Near-Earth space rock, 2,000 of which could hit the planet - and more potential colliders are being discovered all the time ...

Smallest asteroid ever spotted hit Earth over Canada in a stunning green fireball

The smallest ever asteroid to hit Earth and the only one to be properly measured is about the size of a regular cat, as per a ...
BBC Sky at Night Magazine

An asteroid has smashed into the Moon, carving a record-breaking crater. NASA's got the pics to prove it

McGetchin crater on the Moon is the largest newly-formed crater seen in our Solar System. It was found by the Lunar Reconnaissance Orbiter.
UAE Moments

8 Asteroids That Almost Hit Earth and Why They Matter

Explore eight near-Earth asteroids that nearly hit Earth, and learn how close passes improve planetary defense and detection.
New Scientist

Asteroid hit the moon and flung rocks 120 kilometres from the crater

Researchers have watched a huge crater form on the lunar surface, and its widespread effects could help inform future ...
Naked Science on MSN

A 150-foot asteroid hit Earth - it flattened everything for 50 miles

Around 65 million years ago, an asteroid roughly six miles across slammed into Earth at more than 40 times the speed of sound. The impact triggered global devastation, and the documentary examines how ...