One of the most puzzling findings from the JWST's observations of the early universe is the size of black holes. According to ...

Illustration of the underlying astrophysical processes that suppress star formation in red geyser galaxies, according to this new study. Galaxy interactions transfer cool gas clouds that fall into ...

Some black holes could have tamer origins—in the folds of unusual "spacetime crystals" that researchers finally managed to ...

What are the little red dots discovered by the James Webb Space Telescope? These X-rays may offer a clue.

Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

When scientists discovered an enormous black hole thousands of light-years from where it ought to be in space, they knew they had a cosmic oddity on their hands. NASA's Hubble Space Telescope showed a ...

A mysterious ring of light is thought to surround every black hole, and Alex Lupsasca wants to glimpse one for the first time. The tendril-thin halo, called a photon ring, has the power to reveal ...

In 2023, a subatomic particle called a neutrino crashed into Earth with such a high amount of energy that it should have been impossible. In fact, there are no known sources anywhere in the universe ...

A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from the early universe. Scientists suggest these black holes could carry a ...