Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed ...
A rare star reveals how the Universe's first stars exploded, helping explain the Milky Way’s outer halo and its unusual chemistry.
Something is hiding inside Kepler-51d, and it’s doing a remarkably good job of it. About 2,615 light-years away in the constellation Cygnus, this peculiar world orbits a young Sun-like star every 130 ...