Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

The most violently explosive events in the universe -- such as a star going supernova, two neutron stars smashing into each ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

and most of its mass becomes either a neutron star—an ultradense object about the size of a city—or a black hole. The rest explodes outward, flying into space like bullets. Astronomers have ...

After traveling for many billions of years, light shifts into ... supernova deaths of stars are depositing less and less gas in the vicinity of the central accreting supermassive black hole.

A huge detector in the Mediterranean Sea spotted the most energetic neutrino from space to date. The particle could shed ...

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

A neutrino with more energy than we've ever seen before was picked up by a detector on the floor of the Mediterranean Sea, ...

A huge detector in the Mediterranean Sea spotted the most energetic neutrino from space to date. The particle could shed light on the universe’s most extreme phenomena.

In the search for elusive particles called neutrinos, researchers are stringing thousands of detectors in the depths of the ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

"The high explosion energy of AT 2023adsv could indicate that the properties of supernova explosions might have been different in the early universe." ...