The newly-discovered intermediate-mass black hole, named NGC 6099 HLX-1, resides in a compact star cluster on the outskirts of the elliptical galaxy NGC 6099, about 40,000 light-years from the ...

In a new paper, Penn State Professor Victor Pasko and his colleagues described how they determined strong electric fields in thunderclouds accelerate electrons that crash into molecules like nitrogen ...

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed the Hubble Ultra Deep Field (HUDF), an area of deep space with nearly 10,000 galaxies in the constellation Fornax.

Astronomers using the NASA/ESA Hubble Space Telescope have discovered atmospheric carbon in the long-known ultra-massive white dwarf WD 0525+526.

Using data from the 10-m space radio telescope RadioAstron and a network of 27 ground-based observatories, astronomers have detected an unusual ribbon-like jet at the core of OJ 287, a galaxy located ...

Two extinct hominins, Australopithecus afarensis and Australopithecus africanus, were significantly more dimorphic than chimpanzees and modern humans; Australopithecus afarensis were also ...

A striking new image from the NASA/ESA Hubble Space Telescope shows incredible details in the Tarantula Nebula, a turbulent star-birth region located in the Large Magellanic Cloud.

The Hubble team has released a stunning new image snapped by the NASA/ESA Hubble Space Telescope of the face-on spiral galaxy NGC 1309.