Astronomers using radio telescope observations to get an inside look at an interstellar comet have gleaned new insights into ...

Long before 3I/ATLAS slipped through the inner solar system, its water had already recorded the kind of place it came from.

The water ice locked inside interstellar comet 3I/ATLAS condensed at temperatures below minus 400 degrees Fahrenheit, ...

A stunning AI breakthrough reveals thousands of hidden alien worlds, potentially reshaping our understanding of the universe ...

The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that ...

On Friday, the moon was at full moon phase. Since the lunar phase cycle is 29.5 days long, May will have a "blue (full) moon" ...

The Eta Aquarid meteor shower soon will light the sky with debris from Halley’s comet. But a bright moon will spoil the fun ...

Today: The Eta Aquarid meteor shower peaks just before dawn this Tuesday. Since this meteor shower has a fairly broad peak ...

New federal rules now require certain adults, veterans, and people without housing to work or volunteer 80 hours a month or ...

A large crowd showed support for Chicago police during the 5K event near Soldier Field, as officials paid tribute to Officer ...