Astronomers have detected an Earth-size planet candidate orbiting a nearby star once a year, making it a promising target for ...

Far from our solar system, astronomers have finally watched a star consume one of its own planets, catching in real time a process that will eventually reshape, and likely erase, the world we live on.

In the quiet layers of rock, footprints, bones, and leaves tell a story of worlds lost, and of our own uncertain future. Every year, National Fossil Day invites us to pause and think about the ...