Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

Should we prepare for alien invasion? The interstellar object 3I/ATLAS is travelling through our solar system on a hyperbolic path. Scientists observe its odd behaviour, debate its origin and monitor ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

Skywatchers in Northeast Ohio and beyond will be treated to the year's largest and brightest full moon on Nov. 5.

Discover Magazine reports the November full moon will be the closest to Earth of the year, at about 221,817 miles at its peak. The proximity is expected to make the moon appear brighter than usual.