Happy New Year and happy perihelion day! Earth is closest to the sun today at just 91,406,000 miles (1.55 million miles ...

The Quadrantids’ radiant lies in the now-defunct constellation Quadrans Muralis, a region of the sky occupied by Boötes. It’s ...

The familiar zodiac constellations are defined by Earth’s motion around the sun, but they don’t define your fate ...

The best time to watch the Quadrantids meteor shower will be after sunset Friday. At their peak, they deliver a dazzling ...

On the evening of Jan. 10, Venus will reach its greatest eastern elongation — its easternmost distance from the sun. This is ...

Another year of skywatching is upon us, and there's a lot to look forward to in 2025!

Summer nights mean late sunsets and lingering twilight, but January exceeds expectations with fine views of Venus, Jupiter, ...

Here's everything you need to know to kick off 2025 with a celestial spectacular — including an option to see each one online ...

December 2024 will see a rare "black moon," a term for the second new moon in a calendar month. The second new moon of ...

During the early morning of Monday 8 September, the full Moon will move into the shadow of Earth and be totally eclipsed. The ...