Hubble celebrates its 35th launch anniversary tomorrow (April 24), but there is a slight, yet tangible, damper in the air.

Imagine the ambitious engineering project and potential benefits of constructing a bridge extending into outer space.

A new survey of distant galaxies undertaken by the James Webb Space Telescope (JWST) is revealing new secrets of the "cosmic noon"—when galaxies in the young universe underwent something of an awkward ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense," said astronomer James Lee.

Hubble was built with a number of instruments onboard, including the Wide Field Planetary Camera (WFPC), the Goddard High ...

Through his research at Caltech, a local high school student revealed 1.5 million previously unknown objects in space, ...

Active since last week, the shower is formed from a comet’s debris and is forecast to produce the most fireballs overnight.

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 light-years away. But experts are skeptical.

The 142-year-old community science stalwart's renovated gazing platform offers the chance to engage on a cosmic level.

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

Private companies have launched nearly 120 civilians to the edge of space, establishing a new frontier in travel. Space tourism is no longer science fiction, but science fact.