Massive stars much bigger than our sun always come in pairs or groups, not alone. But astronomers don't fully understand how these groupings form. In a new study, astronomers using ALMA have ...

They dance from the sky, look like little works of art - and yet every snowflake starts out quite inconspicuously. Watch the video to see how a few tiny drops of water become delicate ice stars.

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty protoplanetary disks that give birth to planets of all kinds. And when a star ...