The first life-forms on Earth drew energy from sunlight filtering down into the ocean depths. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

when primitive organisms first appeared on the planet. Geologist Brian Hynek said: "They could be one of the best modern examples of the earliest signs of life on Earth. It's unlike anything I've ...

The early days on Earth looked very different from today—it was ... in the galaxy—the question of what the essential ingredients for life are and how to look for signs of them has heated up. Nobel ...

and Hokkaido University have developed a model that considers various atmospheric chemical reactions to estimate how the ...

Scientists discovered a previously hidden ecosystem - lagoons in Argentina's Puna de Atacama harbors microbial communities, ...

and hydrogen that on Earth has only one known source: ocean algae. The finding suggests that the planet may have oceans of its own that contain life. Astronomers at the University of Cambridge who ...

Bringing together experts in biology, geology, geochemistry, and genomics, the paper details the journey of Earth's early life forms from their first appearances to their rise to ecological ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

And although the first sign of possible extraterrestrials ... to find possible hints of molecules and gases that, on Earth, are signs of life. If anything is indeed living on the planet, it ...

It’s possible that this action happened when the Earth was a life-less, volcanic, watery, molten rock-filled planet about four billion years ago when life first began. “This is essentially the ...

and Hokkaido University have developed a model considering various atmospheric chemical reactions to estimate how the atmosphere -- and the first signs of life -- evolved on Earth. "Ancient Earth ...