One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...

This newly discovered explosion from the dawn of time is helping scientists map the chemical evolution of the first galaxies.

The James Webb Space Telescope has picked up the light from a massive star that exploded about a billion years after the birth of the universe ...

Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...

Scientists have found hints that ghostly neutrinos may interact with dark matter. The unexpected link could help explain ...

Betelgeuse, the iconic red star of the Orion constellation, has been the subject of much talk in recent years due to its ...

Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

Webb observations of the Sextans A galaxy reveal how stars in a metal-poor areas create cosmic dust, offering clues about the ...

The CosmicWatch device costs only $100 to make, making it accessible for both high school students and spacecraft operators.

Black holes are not cosmic vacuum cleaners. They are among the universe’s most extreme objects - and come in different sizes.

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...