Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

Tonight, a brilliant near-full moon rises in the east with Regulus, the heart of Leo, just ahead. Don’t miss this striking ...

The final night of 2025 is the perfect time to watch the moon close to the Pleiades, find the brightest star in the night sky ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

If you were up early enough on Friday, Sept. 19, you may have noticed the bright star shining next to the crescent moon in the morning sky. Except it wasn't a star, it was the planet Venus. And it was ...

Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

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 ...