The Moon passes 0.6° south of the bright red star Antares in Scorpius at 6 P.M. EDT. This evening, the two remain nestled close, a lovely sight in the southern sky after sunset. You’ll find the pair ...

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

With tens of thousands more satellites headed for orbit this decade, researchers are testing whether AI and satellite-to-satellite learning can catch failures before they happen.

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

The 10th-magnitude moon Dione skims above Saturn’s north pole early this morning, accompanied by its shadow on the cloud tops ...

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

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

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 ...

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 ...

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 ...

Everyone can watch a small moon skim Saturn’s northern pole, while advanced imagers may catch its shadow on the cloud tops.

Time travel back to 1969 as the exact same lunar phase appears in the July 20 sky as Earth saw when astronauts first stepped ...