A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

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 ...

The Franklin Institute announced Nov. 11 that it is awarding the 2026 Benjamin Franklin Medal in Physics, one of the nation’s ...

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

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening and evolving faster than previously believed.

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

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 ...

It's official — NASA's Hubble Space Telescope is back in action after a computer anomaly suddenly shut down the 32-year-old system for a month. And in celebrating its comeback, Hubble released two ...

For the first time, an international research team led by the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy ...

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 Hubble Space Telescope is still offline nine days after it first failed, despite numerous attempts to bring its payload computer back online. NASA still doesn’t know for sure what caused the ...