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Scientists find a five mile wide asteroid crater under the seafloor

Scientists have unveiled the Nadir crater, a 5-mile wide undersea structure off the coast of West Africa, believed to have been formed by an asteroid impact that coincided with the extinction of the ...

The asteroid that killed the dinosaurs struck at a perfect angle to inflict maximum planetwide damage, a study found

The asteroid 66 million years ago that led to the extinction of the dinosaurs hit at a 60-degree angle — ensuring maximum death and destruction.
The Weather Network

What if Ceres, the largest of all known asteroids, hit Earth?

Ceres is the largest 'asteroid' in our solar system, big enough that it's actually classified as a dwarf planet, like Pluto.
Space.com on MSN

2 huge asteroid strikes 36 million years ago didn't change Earth's climate over the long haul, study finds

Two giant asteroids that struck Earth about 36 million years ago did not cause any long-lasting shifts to our planet's climate, according to new research.