New scientific theory based on ancient proteins suggests that genes did not arise as we believed and that life could have started elsewhere.

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This discovery has drawn interest from both professional researchers and skywatchers because comets are ancient remnants from the early formation of ...

Earth’s core has often been described as just a giant ball of iron and nickel. Now, a new study argues that it is also a major storage place for hydrogen, possibly equivalent to dozens of oceans’ ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

Scientists confirm meteorites contain all five DNA bases, indicating life's building blocks may have formed in space. Discover what this means for the origins of life.

Ancient fossils are revealing unexpected chemical survivors, challenging long-held assumptions about how biological carbon is ...

Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

The volume of the ocean, its average purity, and the chemical makeup of H₂O allow a simple estimate of the amount of hydrogen ...

A new study analyzes three asteroid and two meteorite samples to see if space rocks smacking into Earth could’ve helped ...

Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...