Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the Solar System.

From the potential of orbital railguns, to space elevators on the moon and Mars, to the threat of AI taking over your job, to ...

The Kepler infrastructure thus consists of three main components: Kepler uses the exact same MEO constellation as Galileo. Accordingly, 24 MEO navigation satellites will be placed in three orbital ...

In a cutting-edge milestone for orbital innovation, the U.S. military‘s secretive X-37B space plane has begun advanced aerobraking maneuvers to shift its orbit. Launched on its seventh mission ...

With this milestone, the space plane’s total record has been more than 3,700 days in orbit. The mission is secretive, with only two pieces of its payload announced. It’s the sixth Orbital Test ...