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

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

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

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

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the ...

Combining the Standard Model of cosmology with the rigid constraints enforced by observations of cosmic microwave background radiation tells us that structures including stars, black holes, and gas ...

The standard model of cosmology relies on an accurate reading of the cosmic microwave background. This radiation, emitted 380,000 years after the Big Bang, is considered proof of the theory's validity ...

A ground telescope in Chile detected cosmic polarization signals, confirming the universe’s first stars' timeline.

October's Ultimates #17 teases the Ultimate Fantastic Four after Doom (Reed Richards) uses the Immortus Engine to time travel ...