The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

New map of ‘mega ripples’ caused by dinosaur-killing asteroid helps recreate extinction event - Findings may help predict ...

They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking Earth are almost zero after earlier data had indicated a higher risk of a ...

The Earth bears geologic evidence of past cosmic impacts, such as the 125-mile-wide Chixculub Crater in Mexico’s Yucatan ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

An asteroid gaining notoriety for its potential to collide with Earth in 2032 was estimated Tuesday to have roughly a 3% chance of striking our planet — the highest probability ever assigned ...

That's why, aside from the occasional Powerball ticket when the jackpot has reached an insane amount, I don't gamble. So, ...

An asteroid has a small chance of hitting Earth less than eight years from now, and astronomers are enlisting the help of NASA's James Webb Space Telescope to study it. Characterized as a ...

The narrow difference is due to the two agencies’ use of different tools for determining the asteroid’s orbit and modeling its potential impact. But both percentages rise above the 2.7% chance ...