Experts emphasize that the cosmic microwave background is shaped by everything it encounters on its journey, including ...

Undersea detectors anchored deep in the Mediterranean Sea found an ultra-high-energy neutrino, a particle that opens a new ...

Using an observatory under construction deep beneath the Mediterranean Sea near Sicily, scientists have detected a ghostly ...

With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

Astronomers have been able to image gas as it travels down a 3 million light-year-long cosmic highway between two growing ...

"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.

Highly energetic explosions in the sky are commonly attributed to gamma-ray bursts. We now understand that these bursts ...

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...