The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

Scientists use the James Webb Space Telescope (JWST) to spot more nitrogen than oxygen in GS 3073 and speculate the presence ...

JWST uncovers evidence of ancient “monster stars” whose extreme chemistry may explain the origins of early supermassive black ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How will the universe end? – Iez M., age 9, ...

Telescopes are time machines, and astronomers are using them to find the first stars ever formed in the universe. These early generations of stars, known as Population III stars, were crucial to ...

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have ...

An MIT astronomy class has found three of the oldest stars in the universe lurking right outside the Milky Way. The stars, about 30,000 light-years from Earth, are in the galaxy's "halo," the cloud of ...