"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack ...

"We have found a habitable environment," said John Grotzinger, project scientist for the Curiosity mission. "The water that was here was so benign and supportive of life that if a ...

Lindsay Nikole takes us on a bold, hilarious, and chaotic journey through the history of our planet, packed with bizarre ...

Variability in traits and increased individuality in behaviors is something that can evolve in response to selection, ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the planet.

Controversial evidence hints that complex life might have emerged hundreds of millions of years earlier than previously ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...

Cross-section of an egg-shaped iron oxide stone: It holds information about the amount of organic carbon in the sea millions of years ago, much like a time capsule. Credit: Nir Galili /ETH Zurich ...

Part of a continuing weekly series on Alaska history by local historian David Reamer. Have a question about Anchorage or Alaska history or an idea for a future article? Go to the form at the bottom of ...

The ocean hidden under the icy shell of Saturn's moon Enceladus harbors complex organic molecules, a study said Wednesday, offering further evidence that the small world could have all the right ...

The finding suggests phosphine—a potential biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out. reading time 5 minutes For scientists, the ...