The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

This reentry is notable because it poses a higher risk to the public than the US government typically allows. The risk of ...

The Van Allen probe, which studied how the Earth is protected from harmful space radiation, could fall to Earth tonight. Here’s what to know ...

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

The Colorado company Lux Aeterna wants to help open up the space economy with a fleet of fully reusable satellites, and it just raised to some money to help make that happen.

Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and particles, including a ...

Russia and China can black out military satellites in seconds. A Latvian startup says nuclear-waste generators using 5x less fuel could keep satellites—and lunar bases—running.

NASA's Van Allen Probe A is falling to Earth much sooner than expected, though the spacecraft's reentry poses a low risk to humans.