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.

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

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

"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 ...

In celebration of the 35th anniversary of the legendary space telescope’s launch, here are 35 of our favorite images it has ...

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

Astronomers have discovered that the magnetar SGR 0501+4516 is speeding through our galaxy at more than 110,000 mph. This ...