Scientists have reevaluated the catastrophic impact of the Chicxulub asteroid that struck 66 million years ago, revising the ...

Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

Artwork: The impact ... Asteroid Day Prof Morgan pictured with some of the rock samples drilled from beneath the Gulf of Mexico An independent group earlier this year used a global climate model ...

Some scientists maintain that the fracture pattern in these quartz crystals could only have been caused by a massive asteroid or comet impact. The pattern is prevalent in quartz found at or near ...

This is only the eighth time ever that a small earth-bound asteroid has been seen just before impact, but the accomplishment is quickly becoming more common. The asteroid was only about a meter in ...

When an international team of scientists studied that map, they found a 16-mile-wide, bowl-like depression - it looked like a giant asteroid impact crater. The scientists wanted to be sure ...

Termed the Cretaceous-Paleogene (also called the K-T and K-P) boundary, the post-impact Earth changed. As the asteroid or comet struck Earth, it vaporized some of the planet’s bedrock ...