A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

A timeline of 485 million years of Earth’s surface temperatures shows ancient greenhouse conditions were hotter than scientists thought.

Researchers have found evidence suggesting that Earth may have had a ring system, which formed around 466 million years ago.

Researchers created a curve of global mean surface temperature throughout deep time, providing context for understanding ...

Coelacanths are deep-sea fish that live off the coasts of southern Africa and Indonesia and can reach up to two meters in ...

A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...

It's the first time Earth's geologic record — information found inside rocks — has been used to create an animation of this kind.

At that time, what is now Ireland was submerged under a shallow tropical sea. The marine environment was home to a wide ...

High in the Canadian wilderness, Smithsonian scientists search for ancient minerals that could explain the origins of the ...

Scientists have solved the mystery of a puzzling seismic disturbance. First, there was an avalanche. Then, there was a ...

"It has the landscape; it looks like the Moon. And it has the scale of features astronauts will both be observing and exploring," NASA's Cindy Evans said.

A new study from Monash University scientists suggests that Earth may have had a ring system that formed around 466 million ...