Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

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

When we think of coral reefs, we picture bright fish, clear water and colourful corals. But reefs have also shaped the planet ...

A new analysis of computer simulations of Earth’s magnetic field suggests that its behavior was different early in Earth’s history, resulting in greater stability and fewer reversals of the magnetic ...

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