Interest in steam world exoplanets really heated up in October 2024 when the James Webb Space Telescope (JWST) discovered the ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its ...

Astronomers using NASA’s James Webb Space Telescope have stumbled upon a puzzling population of galaxies that look far too ...

Astronomers have discovered a giant Saturn-sized planet orbiting TOI-6894, the smallest star ever known to host such a world.

During the 2025 Smithsonian Folklife Festival, sidewalk astronomers brought a sense of hope into Washington, D.C.

Astronomers report that the Atacama Large Millimeter/submillimeter Array ( ALMA) has discovered traces of oxygen in the very ...

New evidence suggests that a dwarf galaxy orbiting the Milky Way called Ursa Major III is actually a star cluster.

Scientists were surprised when they found a little dot nestled near a nearby galaxy turned out to be something bright, ...

Answers to some of cosmology's most pressing questions are obscured by simple dust. It concerns the Cosmic Noon, a period of ...

The study marks a major milestone in extragalactic astronomy, providing unprecedented insights into the formation and evolution of galaxies and the large-scale structure of the universe.

This is part of what makes galaxy clusters like PLCKG 287.0+32.9 (pronounced “Planck 287” for short) interesting to astronomers — “they carry memories of our early universe, therefore ...