The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

The earliest galaxies may have scrambled our reading of the Universe. A new study challenges the traditional interpretation of the cosmic microwave background, this fossil light from the Big Bang.

You could swim through the deepest voids and encounter a single hydrogen atom in an entire football field's worth of space.

Scientists may have found a new way to detect some of the universe's most mysterious objects, primordial black holes (PBHs), ...

"Using the new common signal, we can determine how much of what we're seeing is cosmic glare from light bouncing off the hood of the Cosmic Dawn, so to speak." ...

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These ...

Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...