Earth is the only known planet to host life, a fact that has long intrigued scientists. While Venus and Mars present extreme ...

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

Abiotic chemistry in Earth’s atmosphere could have generated biologically important organosulfur molecules as life was ...

Pristine samples from asteroid Bennu, delivered to Earth by NASA's OSIRIS-REx mission, continue to provide crucial ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Although it’s long been suggested that hydrothermal vents could’ve played a starring ...

University of Alberta geochemists have discovered a missing piece to one of the great mysteries of science—the origin of life ...

Surface-bound gels may have offered the structure and chemistry needed for life to take hold on Earth—and possibly elsewhere. How did life first take shape? A group of scientists from Japan, Malaysia, ...

Scientist have concluded water did not arrive as early during Earth's formation as previously thought, an insight that bears directly on the question of when life originated on the planet. The finding ...

Life may have emerged on Mars and Earth at the same time. That's according to new evidence found in a Martian meteorite that indicates the key ingredient for life, water, appeared on Mars around 4.4 ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...