The Hubble Space Telescope, orbiting roughly 300 miles above Earth, is gradually losing altitude as atmospheric drag slowly pulls it toward eventual reentry in the coming years. A technical memorandum ...

Of the roughly 7,300 active satellites in Earth orbit, about 3,600 are part of SpaceX’s growing fleet of Starlink internet ...

NASA is celebrating the 36th anniversary of the Hubble Space Telescope in Earth’s orbit, sharing a new image of the Trifid ...

Looking back 30-plus years, who knew we would be looking up more? We are, thanks to the Hubble Space Telescope.

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 private WorldView Legion 4 Earth-observing satellite snapped an amazing photo of the Hubble Space Telescope on April 23, ...

Thirty-six years ago on April 24, 1990, NASA launched the space shuttle Discovery, carrying the Hubble Space Telescope.

A Vantor WorldView Legion satellite captured a detailed image of the Hubble Space Telescope from orbit. The photograph marks ...

Humanity officially expanded its vision to the edge of time today. In a historic maneuver 380 miles above the Earth’s surface ...

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings are ...