The Hubble Space Telescope is losing altitude with every orbit, pulled gradually closer to Earth by atmospheric drag that no onboard system can counteract. NASA has acknowledged the slow orbital decay ...

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 ...

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 ...

The Hubble Space Telescope is celebrating its 36th anniversary in space this week with a glimpse into the heart of a major star-forming region, presented in prismatic color. The Trifid Nebula (also ...

Since it launched into space on April 24, 1990, the Hubble Space Telescope has been an invaluable instrument to astronomers in unraveling the mysteries of the universe. As it orbits the Earth from 340 ...

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

Since its launch in 1990, Hubble has transformed our understanding of the cosmos. The space telescope revealed a universe teeming with galaxies, stars, and planets instead of what we once saw as empty ...