From eerie green storm clouds to blood-red sunsets, the sky over America has changed into some shocking colors throughout ...

Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with ...

Urban Sky has raised a $30 million Series B round to develop constellations of stratospheric “Microballoons” for Earth ...

The jet of radio waves is the biggest ever detected so early in the history of the universe, astronomers reported.

Even to a casual viewer, the waxing gibbous moon of Feb. 7 will appear quite unusual, climbing so very high in the sky.

Chile's pristine, dark desert skies, world-renowned for astronomy, are at risk of being outshined by urban and industrial ...

Is it possible to understand the universe without understanding the largest structures that reside in it? In principle, not ...

WNBA free agency is here. Brittney Griner, Jewell Loyd, Kelsey Plum, Satou Sabally and all five Sun starters from last season ...