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New study ranks hazardous asteroid effects from least to most destructive

If an asteroid struck Earth, which of its effects -- scorching heat, flying debris, towering tsunamis -- would claim the most lives? A new...

Mechanism underlying size-sorting of rubble on asteroid Itokawa revealed

In 2005, the Hayabusa spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) landed on Itokawa, a small near-Earth asteroid named after the famous...

Earth is bombarded at random

Asteroids don't hit our planet at regular intervals, as was previously thought. Earth scientists have reached this conclusion after analyzing impact craters formed in...

Myth busted: No link between gigantic asteroid break-up, rise in biodiversity

Some 470 million years ago, during the middle part of the geological period known as the Ordovician, an asteroid collision took place somewhere between...

Asteroid impacts could create niches for early life, suggests Chicxulub crater...

Scientists studying the Chicxulub crater have shown how large asteroid impacts deform rocks in a way that may produce habitats for early life. Around 65...

Soot may have killed off the dinosaurs and ammonites

A new hypothesis on the extinction of dinosaurs and ammonites at the end of the Cretaceous Period has been proposed by a research team...

Warming pulses in ancient climate record link volcanoes, asteroid impact and...

A new reconstruction of Antarctic ocean temperatures around the time the dinosaurs disappeared 66 million years ago supports the idea that one of the...

Asteroid day will draw eyes to the stars, but the more...

June 30 is Asteroid Day, a global awareness effort to promote asteroids and discussion around what can be done to protect our planet from...

New type of meteorite linked to ancient asteroid collision

An ancient space rock discovered in a Swedish quarry is a type of meteorite never before found on Earth, scientists reported June 14 in...

Clues to ancient giant asteroid found in Western Australia

Scientists have found evidence of a huge asteroid that struck the Earth early in its life with an impact larger than anything humans have...

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