A star system in our own galactic neighborhood is poised to put on a show so bright it could briefly rival the planets and ...

The Star of Bethlehem, a guiding light for the Magi, has long puzzled experts. NASA scientist Mark Matney proposes a 5 BC ...

Two stellar explosions that lit up the sky in 2021 have now been dissected in unprecedented detail, revealing tangled shells, colliding flows of gas, and structures that defy decades of textbook ...