We asked satellite experts to fill us in on what's flying around above us and the challenges SpaceX faces as its constellation balloons to accommodate more users and orbiting data centers.

A Falcon 9 rocket launched another work week Monday at Vandenberg Space Force Base, days after SpaceX revealed a modern system to keep orbiting satellites

Two NATO-nation intelligence services suspect Russia is developing a new anti-satellite weapon to target Elon Musk’s Starlink constellation with destructive orbiting clouds of shrapnel, with the aim of reining in Western space superiority that has helped ...

The satellites in Amazon's new internet-beaming megaconstellation in low Earth orbit are bright enough to disrupt astronomical research, a study has found.

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope, reside in low Earth orbit, or LEO, which tops out at about 1,200 miles (2,000 kilometers) above Earth's surface. Which is why it ...

From a few hundred kilometers up, the planet looks calm, a blue marble wrapped in white cloud. The reality that satellites are recording in brutal detail is anything but calm. High above us, a growing fleet of orbiting cameras is watching ice sheets thin,

SpaceX says iPhone satellite provider Globalstar should delay its launch plans until the FCC decides whether to revamp its 1.6GHz and 2.4GHz spectrum rules.

Already recognized for its excellence and even adopted for operational weather forecasting, the European Space Agency's Arctic Weather Satellite has now fulfilled its most important role. This small prototype mission has succeeded in paving the way for a new constellation of similar satellites,