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

A massive meteorite that struck Earth early on in its history wreaked havoc on the planet, but the impact may have allowed ...

SpaceX astronaut Jared Isaacman said frequent space travel is "around the corner." How humans will survive off-world is ...

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...

Earth's tectonic history is what it is because of our planet's material composition. It's not like this on all planets, nor even all the rocky planets in our own solar system. However, the garnet ...

Most major geological events in Earth's recent history have clustered in 27.5-million-year intervals — a pattern that ...

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31.

The Arecibo message contained an image of a man only. But what might seem a sexist choice deserves a more subtle ...

We know from The Lord of the Rings that Tolkien crafted endless stars in his legendarium, but are there other planets too?

A rare Triassic fossil unearthed in Brazil, Gondwanax paraisensis, could provide new insights into the origins of dinosaurs.

Doctoral candidate Karen Williams embarked on computer modeling research to find out about the Earth’s changes after the melting of the Laurentide ice sheet, which once covered Canada and a large part ...

For the average Earthling, touring space may still be the stuff of science fiction, but in 2000, Popular Science published a ...