Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

The survey, known as ALMA to Resolve exoKuiper belt Substructures (ARKS), focused on debris disks. Debris disks are vast belts of dust and ice left behind after planets finish forming. These ...

An international team, including scientists from the University of Hong Kong, found strong evidence that some fast radio ...

V1674 Herculis was a record-breaker. It erupted in the constellation Hercules on June 12, 2021, and skyrocketed to peak ...

The "Cosmic Grapes" galaxy formed just 900 million years after the Big Bang, revealing a never-before-seen structure.

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming ...

For more than three decades, scientists have detected a repeating radio pulse arriving from deep space with uncanny ...

Research conducted by an international team of astronomers from Southwest Research Institute, Aryabhatta Research Institute ...

Scientists observed a supermassive black hole awaken after 100 million years, launching plasma jets across a million ...

Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP ...

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...