Earth ring theory may shed light on an unexplained ancient climate event, scientists say
Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...
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Why does everything look flat even though the Earth is round?
Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...
Massive Glaciers Once Covered Earth, Even the Equator, New Study Finds
Evidence from Colorado suggests glaciers once covered Earth to the equator, supporting the Snowball Earth theory. This ...
Why Mars Could Hold The Keys To Understanding Life Here On Earth
Finding evidence for the first life ever to emerge on planet earth is a long, tough slog. But oddly enough, real answers may ultimately come from Mars.