Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

Maybe the first life on Earth was part of an 'RNA world.' Artur Plawgo/Science Photo Library via Getty Images How life on Earth started has puzzled scientists for a long time. And it still does.

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded ...

Researchers say they have uncovered evidence that early Earth was home to more hydrogen than previously thought, calling into question widely held beliefs about the origins of water and the evolution ...

Surface-bound gels may have offered the structure and chemistry needed for life to take hold on Earth—and possibly elsewhere.

According to a new study, Earth’s atmosphere might have been more important for the origin of life story than we gave it ...

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

IMAGE: A new study by CU-Boulder researchers indicates a thick organic haze shrouding Earth several billion years ago was similar to the one now hovering over Saturn’s largest moon, Titan. University ...

Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when plate tectonics began. A study ...

When NASA's OSIRIS-REx mission brought back its precious cargo from Asteroid Bennu, scientists expected incredible data. What ...

According to a new study the early Earth’s ancient sky may have played a much larger, proactive role in generating the chemical ingredients for life than scientists once believed.The study ...

MADISON – Reading the telltale chemical signature of a mineral sample determined to be the world’s oldest known terrestrial material, scientists have reconstructed a portrait that suggests the early ...