Star Trek turns 60 years old this year, and with Starfleet Academy premiering this month, we're celebrating by ranking all 12 of the previous Trek series.

Astronomers found an iron bar in the Ring Nebula that doesn't match any known stellar phenomenon. Scientists can't explain ...

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...