Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

Find out when the next full Moon will light up the night sky. Discover its phases and mysteries with ExtremeTech’s guide.

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see ...

If you’ve ever wanted to write your name across the stars, now’s your chance. Until Jan. 21, 2026 you can add your name to a ...

Due to the influence the Earth plays on the moon’s momentum, the Earth’s rotation slows down in response, as explained by DiKerby. However, given that this is such a minor change in distance annually, ...

Lunar eclipses occur at the full moon phase. When Earth is positioned precisely between the Moon and the Sun, the shadow of ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

The ESA's Jupiter Icy Moons Explorer (JUICE), which launched in April 2023, has completed another successful flyby aimed at boosting its speed ahead of a Jupiter orbital insertion sometime in 2031.

As of Monday, Sept. 22, the moon phase is Waxing Crescent, and according to NASA's Daily Moon Observation, there's just 1% ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

The U.S. and China are in a sprint toward manned missions to the lunar surface by the end of this decade, with sights on 2029 ...

In just one week, Earth's shadow will roll across the lunar surface, giving rise to a spectacular 'blood moon' total lunar eclipse on Sept. 7-8. A total lunar eclipse occurs when Earth passes between ...