This Just In
After serving nearly 30 years as a doorstop for a nuclear physicist, a hunk of petrified wood has finally been recognized as a one-of-a-kind find.
The bewildering shapes apparently owe their origin in large part to how rock can strengthen when squashed from above.
More than 18 dinosaur skeletons illegally taken from Mongolia were formally returned to their homeland during a ceremony in New York last week, U.S. authorities announced.
Scientists for the first time have gotten a glimpse of an elusive mineral, inside a 4.5-billion-year-old meteorite, and have named it bridgmanite.
The new substance will forever remain in Earth's rock record, researchers say.
Four-billion-year-old sample suggests modern-day Iceland is our best bet for an example of how Earth's continents first formed.
Scientists discovered dozens of well-preserved ichthyosaur skeletons in the vicinity of the Tyndall Glacier in the Torres del Paine National Park in southern Chile.
What were thought to be some of the oldest traces of life on Earth may not have been caused by life at all, new research suggests
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