Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

"This is a unique opportunity to learn how the universe's first light emerged from the darkness." Astronomers could use specific radio signals from the universe's earliest epoch to "weigh" the first ...

A team of astrophysicists has unveiled how colossal stars thousands of times more massive than the Sun shaped the earliest star clusters and galaxies. These short-lived giants not only forged the ...