Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges traditional models and supports the idea that planets may form one by one in ...

Celestron FirstScope 76: Very affordable and ideal for kids or as a quick backyard scope. Despite the small size, you can easily catch the craters of the moon and even glimpse Jupiter’s moons.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in the atmospheres of three gas-giant exoplanets orbiting HR 8799, a ...

A distant star dimmed by 97% for nearly 200 days. Astronomers say giant rings around a brown dwarf or super-Jupiter may explain it.

A city-sized green comet, C/2024 E1 (Wierzchoś), is approaching Earth and will soon be ejected into interstellar space, ...

New Hubble images of the Egg Nebula in the constellation Cygnus brings us the clearest look at the first, youngest, and ...

Detection of hydrogen sulfide in four HR 8799 gas giants provides evidence of solid accretion, clarifying how massive exoplanets form and distinguishing them from brown dwarfs ...

Astronomers want to collect as much data as possible using as many systems as possible. Sometimes that requires coordination ...

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Space fans have the chance to see a rare celestial spectacle on one day this month as six planets appear visible in the night ...

The planetary system, located 120 light-years away, features four worlds orbiting a red dwarf star and challenges classical formation schemes.