"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

The study identified when water interacted with the meteorite and established that the dating was unaffected by events after ...

An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of ...

If you thought the mass extinction caused by the Chicxulub asteroid impact 65 million years ago was bad, think again. Travel ...

Hurricane Rafael Tracker, Path Update as Storm Breaks 39-Year-Record ‘We are at a crossroads’: Prince Harry and Meghan Markle ...

Imagine a world where continents are fused into one massive landmass, and life as we know it is on the brink of ...

New evidence found in the Rocky Mountains of Colorado supports the notion that Snowball Earth was indeed a global phenomenon.

This is where we are right now. Today, they dig deeper, to help us see new layers of a problem and start to solve it.

This year will be the first where the average global temperatures are 2.7 degrees above preindustrial levels, according to ...

A similar hearing last year brought extraordinary moments, including a retired intelligence officer alleging that the U.S.