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 ...

Astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to peer into the early universe and uncover the ...

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.

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and ...

Astronomers analyzing data from the James Webb Space Telescope (JWST) have uncovered a population of tiny, energetic galaxies ...

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

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...