In a groundbreaking discovery, astronomers have uncovered the first direct evidence of molecular activity in comet C/2014 ...

Wachmann, also known as Schwassmann-Wachmann 1, glows at 13th magnitude near Leo’s forefoot early this evening.

It’s not every day we get to see a visual of the entire Sculptor Galaxy, located approximately 10-11 million light-years from Earth, in all its kaleidoscopic splendour.

Wausau Pilot & Review This week offers stunning celestial sights for skywatchers in the Wausau area — from planetary pairings ...

Comet-Catching NASA Technology Enables Exotic Works of Art ... and Center of Starburst Galaxy Messier 94 (NGC 4736). Read More and Download Highlights from Hubble's 35th Year in Orbit This video ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

If our solar system seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, ...

The orange dwarf Gliese 710 is expected to come within 0.1663 light-years or 10,520 astronomical units in about 1.29 million ...

A vast, glowing halo enveloping a galaxy cluster has been discovered, defying expectations and pointing to turbulent cosmic ...

The largest cloud of energetic particles ever seen was recently discovered, revealing new clues about galaxy cluster ...

According to observations from NASA’s Chandra X-ray Observatory, M62 also contains a large number of X-ray binaries, which ...

If our Solar System seems stable, it’s because our short lifespans make it seem that way. Earth revolves, night follows day, ...