Scientists have found possible signs of life on a distant planet, but it’s too early to know for sure. Here’s what makes ...

The closure of the ancient Tethys Seaway has left an indelible mark on Earth’s history. As tectonic forces slowly reshaped ...

Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into ...

As the Earth's crust shifted and groaned over millions of years, something extraordinary happened beneath the surface. Deep ...

That picture challenges older ideas that early life was a stripped‑down passenger riding geology’s coattails toward complexity. Instead, LUCA seems to have been capable, adaptable, and ready to try ...

In those drill sites, Curiosity detected deposits containing an iron carbonate material called siderite. According to Ben ...

Understanding early life on Earth has been frequently stalled by an imprecise geological clock. Scientists have relied on broad stratigraphic patterns to trace the early Ediacaran Period (635 to ...

The latest discovery is the strongest hint yet of biological activity outside our solar system. But this does not mean that ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

New research out of Stanford University adds a “striking” new twist to an existing theory about how life may have began on our planet, involving the occurrence of microlightning in tiny water droplets ...

Here on Earth, DMS is produced primarily by life — most prolifically by phytoplankton and other marine microbes — so the 2023 study was met with some enthusiasm. The excitement was tempered ...