John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

The Hubble Space Telescope has been one of NASA's most successful flagship missions, recently celebrating 35 years in space.

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

The Hubble Space Telescope as seen from the Space Shuttle Discovery in December 1999. Credit: NASA In the summer of 1995, Robert Williams, then director of the Space Telescope Science Institute ...

NASA's newest space telescope, on a mission to study origins of universe, snapped incredible images of the cosmos 2 months ...

Without question, the Hubble Space Telescope is a marvel of technology. NASA and the scientific community recently celebrated the Hubble’s 35th anniversary, as well they should, considering the ...

During its 35 years of orbiting the Earth, the Hubble Space Telescope has transmitted endless streams of magnificent images, confirmed the existence of "dark matter," and helped track a vagabond ...

Stranded astronauts and celebrity space tourism have piqued interest in space — and a photography exhibition in the museum is ...