Get up to speed on gamma rays, the radiation responsible for creating the Red Hulk in Captain America: Brave New World.

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

Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...

Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as ...

Carey, Lauper, Joy Division/New Order, Oasis, Soundgarden and The White Stripes have been nominated before. Bad Company, The ...

The most powerful neutrino on record, with help from a deep-sea sensor, has provided the first evidence for high-energy ...

The team announced its “ultrahigh energy” neutrino on Wednesday, in a paper published in the journal Nature. The finding ...

Scientists have detected the highest-energy ghost particle neutrino ever, but did it come from a supermassive black hole ...

ESO/L. Calçada, N. Risinger (skysurvey.org), DSS, VISTA, VVV Survey/D. Minniti DSS, Nogueras-Lara et al., Schoedel, NACO, GRAVITY Collaboration, EHT Collaboration (Music: Azul Cobalto) ...

The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

The European Space Agency's XMM-Newton X-ray observatory has identified what's causing mysterious lights in the outskirts of ...

LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and has nine rings — six more than any other known galaxy. This NASA/ESA Hubble Space Telescope image ...