"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Geologists have now unearthed ...

Methuselah, nearly 4,855 years old, might be surpassed by Alerce Milenario ... that could not be restored within our lifetimes if emitted, than any other region on Earth. Whichever tree, whether ...

The oldest lake in the world dates back about 25 million years and is also the world's deepest and most biologically diverse ...

Researchers have discovered a 3.5-billion-year-old meteorite impact crater in Western Australia, providing new insights into ...

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...

"Before our discovery, the oldest impact crater was 2.2 billion years old, so this is by far the oldest known crater ever found on Earth," study co-author Tim Johnson, a professor in the school of ...