Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the second-nearest star system to Earth.
The four planets, each only about 20 to 30% the mass of Earth,...
Will Juett had doubts when a hunter told him they'd found something on the 02 Ranch even more rare than a trophy buck. An ancient fossil, the hunter said, a piece of a long-dead beast.
At first,...
Curtin University researchers studying diamond-rich rocks from Western Australia's Argyle volcano have identified the missing third key ingredient needed to bring valuable pink diamonds...
What did the Earth look like about 2 billion years ago, when the planet's atmosphere was being oxygenated?
By analyzing ancient dolomite (carbonate) deposits found...
