Here’s what’s launching this week from June 23–29: ULA’s Kuiper 2 mission leads the way, with SpaceX Starlink flights, Rocket ...

Astronomers face a data deluge from observatories like Vera Rubin — simulated skies may be key to training algorithms to keep ...

Sweeping views of nebulae and dancing galaxies prove the telescope’s enormous field of view and ultra-high-res capabilities.

The innermost planet of our solar system is now well placed for observers.

The new observatory will allow astronomers to step through space and time like never before — these videos give us a taste of how.

Keenan’s System is a faint pair of interacting galaxies in Ursa Major, joined by a 22,000-light-year bridge of glowing material.

The crescent Moon lies in Taurus near the planet Uranus. You can easily spot the distant ice giant with binoculars or a small ...

Venus and the Moon lie 5° apart in the predawn sky, offering a lovely naked-eye spectacle for early risers. The Moon passes ...

Today in the history of astronomy, a landmark institution in navigation, timekeeping, and astronomy is created.

Summer arrives for northern observers as the Moon visits Venus, Uranus, and Mercury. Plus: globular cluster M15, double star ...

Eta Cassiopeiae is a famous double star with contrasting colors. You can find it in the W-shaped constellation of the Queen ...

Today in the history of astronomy, celebrations at Stonehenge mark the summer solstice.