Did you know that Jupiter has 95 moons? And some of them are really big, like planet-sized big. I'm going to populate these ...

Harvard's Avi Loeb maintains a 'Rank 4' assessment for interstellar visitor 3I/ATLAS, citing 15 anomalies that defy natural ...

Use telescopes and binoculars to observe a crescent moon, Jupiter as a 'Christmas star', star clusters and more — now is a great time to go night sky viewing.

The JUICE mission, which aims to study Jupiter's icy moons, took advantage of this opportunity to observe the comet closely, snapping images that reveal its active state. The image captured on ...

The liquid ocean on Jupiter’s moon Europa appears to be completely sealed off from the planet’s surface, which may reduce the chances of finding life there ...

Now, researchers at the University of Chicago Pritzker School of Molecular Engineering and the Abdus Salam International ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

ESA’s Juice spacecraft observed interstellar comet 3I/ATLAS in November 2025, capturing NavCam images and collecting instrument data, with full science results expected to arrive on Earth in February ...

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing Saturn-moon pairing. December’s “cold moon”—seen here rising above Whitby Abbey in ...

Astronomers have discovered a carbon-rich exoplanet with a bizarre atmosphere and shape, orbiting a neutron star under extreme conditions that challenge current models of planetary formation. Scientis ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

The 2025 winter solstice happens on Sunday, Dec. 21, bringing the longest night and marking the start of astronomical winter.