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

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

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

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

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

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.

Earth’s companion has allowed astronomers to define lunar cycles, navigate without technology, and understand celestial ...

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

The innermost planets straddle nighttime, with Mercury in the evening and the greatest western elongation of Venus in the morning. Jupiter joins Mercury in early twilight for a few evenings, both ...

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.