The Hubble Space Telescope has been a major contributor to space exploration ever since it was delivered into low Earth orbit on April 24, 1990, by NASA's Space Shuttle Discovery. The telescope is a ...

And now it's 250 million miles away.

The discovery of CDG-2 began when a team of astronomers investigated tight groupings of stars called globular clusters, which ...

On April 24, 1990, humanity launched a scientific revolution. I mean “launched” literally: on that date the space shuttle Discovery roared into the sky with the Hubble Space Telescope nestled in its ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A dramatic rise in the number of internet satellites ...

For years now, NASA’s Hubble Space Telescope has had its fair share of brushes with death. The groundbreaking observatory launched into low-Earth orbit 36 years ago, and it’s now been operational two ...

NASA’s James Webb Space Telescope Optical Telescope Element Pathfinder and Parker Solar Probe models are now on permanent display at the Smithsonian’s Udvar-Hazy Center, providing insight into testing ...