Main-belt asteroid 3 Juno reaches opposition today, although you might have to dodge the nearby bright Moon to spot it.

The foundation for what we know about black holes came during the Great War. Imagine the scene: December 1915. Europe and the world are struggling under the dark cloud of World War I. Somewhere on the ...

Look for the Great Square of Pegasus in the east late this evening, bounded by four stars — including one in a neighboring ...

Despite what science fiction may suggest, humanity will never be able to travel at the speed of light. That said, we could theoretically get close. To cause the fewest problems for our human occupants ...

Look south after sunset to catch Earth’s satellite close to the bright red giant star Antares, the heart of the Scorpion.

The solar system’s smallest planet comes to a standstill this afternoon, ending its current retrograde path and beginning to ...

After a scrubbed countdown earlier this month, Starship Flight 13 will attempt to deploy 20 Starlink V3 satellites, relight a ...

See the Moon as it looked on July 20, 1969. Plus, check out Comet Tempel 2 as planet Mercury stands still in the sky this ...

Northrop Grumman sends up its robotic satellite mechanic, SpaceX tries again for Starship Flight 13 after a last-second abort ...

Tonight, the waxing crescent Moon will look just as it did on the night of July 20, 1969, when humans first set foot on our ...

Looking for a sky event this week? Check out our full Sky This Week column. July 17: The Moon skims south of Venus. Comet 10P ...

There’s a great chance this morning to view Saturn’s largest and brightest moon, Titan, as it stands just northwest of the ...