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,...
A new Nature Geoscience study from The Australian National University (ANU) offers further clues about what happened to the Mediterranean during a tumultuous period...
The administration of President Joe Biden on Tuesday announced it would restore safeguards in a cornerstone environmental law weakened under Donald Trump—including a duty...