Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

Life has colonised all the niches on the planet that are available. Currently, the whole of the surface and certain places ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Free-floating planets, or as they are more commonly known, rogue planets, wander interstellar space completely alone. Saying ...

Scientists say warming is increasing faster than at any time in at least 3 million years. There is no guide for what comes ...

Life may have started in sticky, rock-hugging gels rather than inside cells. Researchers suggest these primitive, biofilm-like materials could trap and concentrate molecules, giving early chemistry a ...

Well, at least that means no alien invasions anytime soon.

For most of my life, it has been the beliefs around me from childhood that have been the soil for my growth and development.

Earth’s habitability may trace back to a precise chemical balance during its formation, one that kept life-critical elements from disappearing into the core or drifting into space.

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...