When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

Before NASA's Hubble Space Telescope captured its iconic Hubble Deep Field, some astronomers were hesitant to take the ambitious imagery. But the director of Hubble's science mission took the risk.

Every Hubble anniversary feels like a triumph for the elderly space telescope. It may have a few more anniversaries left in it. NASA hopes it will continue operations into the 2030s. Long live Hubble.

Some of Hubble's most iconic imagery, including the Hubble Ultra Deep Field, is attributed to the ACS. In 2007, however, it also suffered an electrical failure.

R. Williams/STScI, the Hubble Deep Field Team, NASA, ESA In 1995, Hubble took this composite picture of what, to the naked eye, looks like a speck of empty space.

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

More than a decade in the making, the Vera Rubin Observatory finally released its first image as its begins its ...

“If you had a printout of the Hubble Ultra Deep Field on a standard piece of paper, ... far surpasses the abilities of the Hubble Space Telescope, launched 35 years ago in 1990.

Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of ...

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How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

Every Hubble anniversary feels like a triumph for the elderly space telescope. It may have a few more anniversaries left in it. NASA hopes it will continue operations into the 2030s. Long live Hubble.