A rare interstellar visitor stunned observers with an extraordinarily bright emerald glow over Egypt, offering scientists new ...

There are a host of celestial events to get excited about next year – including a total solar eclipse. Abigail Beall is ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

Jupiter shines brilliantly in the eastern sky this December as it nears opposition early in 2026, outshining nearby stars and ...

Lurking further from its stars than Neptune is from the Sun, this is no inner planet, but it’s on a scale we recognize, ...

Using the JWST, an international team featuring UNIGE scientists has detected enormous clouds of helium streaming away from ...

The 3I/ATLAS interstellar object, which a number of scientists consider to be potentially technological and likely to pose a ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

Galileo Galilei, the renowned Italian astronomer and physicist, made groundbreaking contributions to science in the 16th and 17th centuries. His use of the telescope led to significant astronomical ...

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

On November 18, observers are advised to look for Leonid meteors in the morning. Also on November 18, bright Venus (magnitude –3.9) will appear approximately 0.8° to the left of the 2.8 magnitude star ...