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

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

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

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...

Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

A Sydney Ph.D. student has recreated a tiny piece of the universe inside a bottle in her laboratory, producing cosmic dust ...

Geoscientists say Earth will be home to one massive supercontinent about 200 million years from now; there are four prominent versions of this mega-continent. The climate might be surprisingly balmy ...

Scientists with expertise in geophysics at Washington State University have developed an alternative pathway for the ...

Life on Earth has long been understood to run on two main energy sources. One comes from sunlight, captured by photosynthesis. The other comes from chemical reactions, such as microbes feeding on ...