The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...

The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we ...

Thomas Mulligan shares the discovery that there are now known to be more galaxies in the universe than stars.

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic time to 1 billion years after the Big Bang.

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

Astronomers want to unlock the secrets of the "Cosmic Dawn" by sending a miniature spacecraft to listen out for an "ancient ...

Galaxies, including the Milky Way, grow from thick, turbulent disks into layered structures. JWST’s images show this process ...

SPHEREx is scanning the entire sky in 102 infrared colors, beaming weekly data to a public archive so scientists and citizen ...