A surprisingly well-formed spiral galaxy has been spotted just a billion years after the Big Bang, challenging long-held ...

Like how the Earth keeps the Moon bound on a gravitational tether, our nearest galactic neighbor, the Andromeda galaxy (M31), ...

Earth" planet was discovered by researchers. It is not believed these planets are more common than previously thought.

This photo of M16 is the latest redux image published to mark the 35th anniversary of the Hubble Space Telescope, which ...

One hundred five years ago tonight, astronomers Heber Curtis and Harlow Shapley were debating the distances of some of our ...

On April 25, 1990, the Hubble Space Telescope was deployed into Earth’s orbit, beginning a decades-long venture into ...

At ESO’s Paranal Observatory in Chile’s Atacama Desert, visitors can experience some of the darkest and clearest night skies ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

In a memorable image from the 1977 film “Star Wars,” the young hero Luke Skywalker gazes at two suns setting above the horizon on his desert planet Tatooine. Astronomers since then indeed have ...

"Thanks to the high resolution of our new images, we detected a faint structure on the northeast side of this supernova ...

Study uses computer model to predict existence of habitable zones in white dwarf star systems A research team led by the ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...