Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...

The extinction of the dinosaurs has been a hotly debated topic for decades, and whether it was an asteroid, a volcanic eruption or even poisonous plant species. But researchers have found hard ...

We may finally have figured out where the asteroid that killed the dinosaurs actually came from. The discovery pinpoints the impactor's origins and reveals key insights into its chemical composition, ...

The Chicxulub Crater is located off the Yucatán Peninsula in Mexico and is believed to be caused by an asteroid 66 million years ago that measured six miles wide. The impact was catastrophic for life ...

Earth’s most famous killer asteroid came from the outer reaches of the solar system, researchers report in the Aug. 16 Science. We summarize the week's scientific breakthroughs every Thursday. Now, ...

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million years ...

CINCINNATI (WKRC) - For awhile now the general consensus has been that an asteroid striking Earth is what killed the dinosaurs, and while that's still technically true, a new study is giving us a ...

The researchers are not the first to propose that the space rock belonged to a group of asteroids that formed beyond the orbit of Jupiter. Their findings, however, strengthen the case thanks to a rare ...

The asteroid responsible for our last mass extinction 66 million years ago — wiping out the dinosaurs — originated from the far reaches of our solar system, unlike most asteroids that have struck ...

More than a century of fossils pulled from the ground told a straightforward story: dinosaurs thrived, then declined, then vanished in a fiery cataclysm 66 million years ago. The idea is that ...

The asteroid responsible for our last mass extinction 66 million years ago — wiping out the dinosaurs — originated from the far reaches of our solar system, unlike most asteroids that have struck ...