Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

Located in the constellation Leo, spiral galaxy NGC 3370 has long been a favorite among astronomers. NGC 3370 is part of a ...

Three young stars have been kicked out of their cosmic nursery, perhaps for engaging in a gravitational brawl, according to Hubble Space Telescope scientists, who released images of the trio on ...

A survey of space shuttle Atlantis' outer body has revealed that four tiles on the right side have "some dings" in them, the flight director said Tuesday. "As we were going through the surveys we did ...

The discovery indicates how galaxies could have grown quickly when the universe was very young, solving a long-standing ...

But Earth isn't the only place we've set up shop. Space-based telescopes like Hubble, James Webb, and Chandra orbit far above ...