Explore these orbiting pioneers and learn what they've discovered. 3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of ...

On the first page, reporter Clark Kent, Superman’s alter ego, covers the launch of a new NASA satellite while onboard a space ...

It essentially made Hubble into a new telescope. "ACS has roughly ten times the discovery power of the previous camera," says Mario Livio, astronomer at the Space Telescope Science Institute in ...

A century ago this month, a brash astronomer leaked a discovery that opened our view to the cosmic distance scale and the ...

Edwin Powell Hubble is renowned for determining that there are other galaxies in the Universe beyond the Milky Way, and for observing that the universe is expanding at a constant rate. Hubble was ...

The Hubble Space Telescope has captured two tangled galaxies, whose interactions have caused knots to form in the "queen's ...

It seems like almost yesterday that a teacher told me when I was very young, that the Milky Way was the very end of our ...

Photo: Andromeda nebula plate with Hubble's ... American astronomer Edwin Hubble began work at the Mount Wilson Observatory in California, which boasted the most powerful telescope to date.

NGC 3430's distinct shape may be one reason why astronomer Edwin Hubble used to it to help define his classification of ...

The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...

The first major optical telescope in space ... on mountain tops is one solution, but Hubble offers an even better view. Named after Edwin Hubble, the US astronomer who in the 1920s showed through ...