Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called the "cosmic dawn" could help shed light on the universe's most mysterious and ...

Six planets align in a rare planetary parade visible across January and February offering stargazers an unforgettable experience.

NASA discovered black holes fueling their own growth by cooling gas, creating a cycle of jets, filaments, and feeding, ...

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours after dark. This weekend, Venus and Saturn get especially cozy.

NASA’s Hubble Space Telescope cracked a “glittering cosmic geode” in a new image ... with a carved-out area where a trio of stars shine together, illuminating the wispy clouds around them.

Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a near-perfect alignment, resembling a string of cosmic pearls in the sky.

"Cosmic dawn has been a missing chapter in our understanding of the universe." Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called ...