New observations from the NASA/ESA/CSA James Webb Space Telescope reveal a galaxy with sweeping gaseous ‘tentacles’ in a galaxy cluster at redshift of 1.156, meaning we’re seeing it as it was ...

Using the James Webb Space Telescope (JWST), astronomers have captured a stunning image of a "cosmic jellyfish." This aquatic-creature-like galaxy, designated ESO 137-001, was see ...

Many of us remember all too well our childhood bout of chickenpox: those itchy, scabby, red spots that appeared all over our ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

Astronomers have detected a smelly gas best known for the odor of rotten eggs—hydrogen sulfide—in the atmospheres of four giant planets far beyond our solar system. While the gas may be unpleasant on ...

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, ...

Barack Obama has clarified a recent interview in which he said aliens are “real,” insisting he saw “no evidence” that ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.

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 ...