If the number of satellites in Earth's orbit exceeds 100,000, humanity may lose its ability to study the universe from the ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...

Optical telescopes have come a long way in the past two-and-a-half centuries — from homemade telescope of William Herschel to ...

NASA is racing to save its Swift telescope from falling back to Earth with a daring rescue mission. The salvage effort gets ...

Here’s how to see the year’s most-intense meteor shower, a blood-red lunar eclipse and Saturn’s refreshed rings this summer.

NASA is preparing a robotic rescue mission to boost the falling Swift telescope, test satellite servicing, and avoid a costly ...

After some onboarding that included setting such preferences as closed captioning and signing a waiver, I had enough time to ...

The Dwarf Mini makes it as easy and intuitive as possible to start photographing the deep sky. It packs quite a punch ...

NASA officials and partners are trying to make history by repositioning the Swift telescope, which is actively sinking into Earth's atmosphere, and they plan to launch as early as July 1.

CAPE CANAVERAL — NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 ...

Faced with observations of early black holes and galaxies that weren’t expected to exist, scientists have come up with a ...