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

"We will push the limits of what we can observe, and use every gravitational lens we detect with Roman to pin down the ...

Nowadays, the dark of night is interspersed with the light of stars. But before the stars were born, did light shine at the ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

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

But axions were pushed aside as the WIMPs hypothesis gained more steam. Back-of-the-envelope calculations showed that the ...

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

These cosmic filaments contain 12 trillion solar masses of 10-million-degree gas, helping solve the "missing matter" mystery.

Low-powered, low-level light therapy with light-emitting diodes (LED) at some specific wavelengths has attracted attention in ...

Learn how scientists found the universe's missing matter hiding in a massive cosmic filament stretching 23.5 million ...

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