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

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 ...

Planetary nebula 6563 is a worthy challenge for larger scopes, floating near the base of the Teapot asterism in Sagittarius ...

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 ...

The Moon passes 2° south of Venus at 1 P.M. EDT. By this evening, they are roughly 6° apart, with the Moon to Venus’ lower left in the sky tonight, instead of the lower right (as it appeared yesterday ...

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 ...

Earth’s satellite sits near Regulus in the heart of Leo the Lion this evening, with blazing Venus nearby in the western sky ...

China's asteroid sample-return probe has closed to within 20 kilometers of 469219 Kamoʻoalewa, kicking off its science ...

When massive stars die, they explode, leaving behind supernova remnants. Given how common binary star systems are — more than half the stars in our galaxy have a companion — it stands to reason that ...

Look up this evening to find the season’s most famous asterism, the Summer Triangle, with the plane of the Milky Way running ...

Let the science begin: The world’s first commercial space telescope is up and running. On July 6, Blue Skies Space delivered data from its Mauve satellite to the international roster of universities ...

The Red Planet passes due north of red giant star Aldebaran in Taurus the Bull. Catch the lovely early-morning view if you’re ...