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 — ...

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

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 ...

April 24th, 1990: the Hubble Space Telescope ushers in a new era of space science. 35 years later, it’s taken nearly 1.7 million observations, or an average of about 130 per day. NASA has ...

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