Looking for a sky event this week? Check out our full Sky This Week column. October 15: Check out Comet Lemmon The waning ...

Looking for a sky event this week? Check out our full Sky This Week column. October 17: Catch open cluster M34 Jupiter stands ...

Just after midnight, the moon will light up the east-northeastern horizon, cozying up right next to Jupiter. Here's how and ...

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

Look for the three stars that make up the distinctive formation of Orion's Belt — Alnitak, Alnilam and Mintaka — shining ...

Binoculars or small telescopes easily show double stars and star clusters. Several planets are visible this week, some with moons or other celestial neighbors. The changing position of planets and the ...

A celestial event called a conjunction featured the moon, Venus, and the star Regulus on Sept. 19. The trio will still be shining on Sept. 20, but Venus and Regulus will be further from the moon. The ...

Astronomy enthusiasts in Staten Island and the New York metropolitan area are in for a celestial treat on Oct. 8, 2025, as ...

The Moon passes 0.4° south of the red giant star Antares in Scorpius at 2 P.M. EDT. The two stand high in the southern sky after dark, with the Moon now 5° from the bright star, to Antares’ lower left ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

PENNSYLVANIA, USA — You may have heard the phrase 'once in a blue moon', which refers to something rare, just like the event it's named after: two full moons in a single month. But this August, we're ...