Journey to the farthest reaches of our solar system and uncover the mysteries of Sedna, a reddish dwarf planet that orbits the Sun once every 11,400 years. Explore its strange orbit, icy surface, and ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

“ [W]e present the discovery and characterization of TOI-4507 b, a cold planet transiting a young F star with an orbital ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a particle physicist on a new world tour with a ...

There are several reasons to visit America in 2026. The centenary of Route 66 (see below – number 11) is one. The 250th ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...