JWST and ESA’s Ariel mission plan coordinated exoplanet observations starting in 2030, combining high-resolution targeting and large-scale surveys to expand atmospheric data collection.

A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on ...

As the name suggests, the nebula looks like a yolk hidden inside an opaque egg white.

The James Webb Space Telescope has detected the first-ever spectral signature of hydrogen sulfide around a massive gas giant planet.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

A mysterious object has caused a long-lasting and extreme dimming of a distant star, but is this object a 'failed star' brown dwarf, or an exceptionally massive super-Jupiter exoplanet?

NASA’s NEOWISE has allowed astronomers to get the best and most complete view of a star collapsing into a black hole ever recorded.

Astronomers have captured one of the clearest views ever of a massive star dying—not in a dramatic supernova explosion, but ...

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But experts predict it will eventually be thrown out of the solar system ...

Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...