Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

In 2011, the 30-year space shuttle program ended as Atlantis touched down at NASA’s Kennedy Space Center. With five shuttles ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory.

A newly released Hubble pic shows the galaxy LEDA 22057, where the supernova explosion occurred. The spiral galaxy's swirling ...

The name “blue lurker” might sound like a villainous character from a superhero movie. But it is a rare class of star that NASA’s Hubble Space Telescope explored by looking deeply into the open star ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

See the iconic Pillars of Creation in this 3D visualization created from James Webb and Hubble Space Telescope data. Credits Producer Greg Bacon (STScI), Frank Summers (STScI), NASA's Universe of ...