SpaceX is targeting Tuesday, August 20 for a Falcon 9 launch of 23 Starlink satellites to low-Earth orbit from Kennedy Space Center in Florida.

What's harder than flying a single satellite in Earth orbit? Flying two—right beside each other, at proximities that would normally trigger collision avoidance maneuvers.

The asteroids, named 447755 (2007 JX2) and (2020 XR), are each estimated to be roughly between 900 feet and 2,100 feet across ...

SES sees an opportunity to bring the promise of "really consistent IFC all around the world" with its open-architecture ...

China's Shenzhou 19 astronauts have some winged companions to oversee aboard the country's Tiangong space station — fruit ...

Most civilian satellites are very sensitive to high-energy radiation and an atomic explosion in low Earth orbit would ...

Jared Isaacman recently led the first of three planned Polaris Dawn spaceflights. Here's his connection to Embry-Riddle Aeronautical University.

Black-and-white photographs shared by some social media users are said to show Laika, a 13-pound stray from Moscow who became ...

Lightning strikes in the atmosphere can trigger a rain of high-powered “killer electrons” in low-Earth orbit that form ...

British startup SatVu has secured £20mn (€24mn) to fuel the development of its hyper-accurate thermal imaging satellites that ...

Some 24 years ago Telesat’s Anik F1 was launched. It has now been retired to a safe ‘graveyard’ orbit a few hundred ...

In late October, a United Nations panel on space traffic coordination emphasised the urgent need for a comprehensive shared ...