Sen, a company based in London, provides views of Earth from orbit, with the hopes of making an experience usually reserved ...

Spacecraft burn tons of fuel and leave behind debris—but a clever technique called aerobraking could fix both problems.

Where does Earth end and space begin? This film explores the atmospheric layers that protect, nurture, and define life on ...

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these ...

New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

In photos The details in this photograph include the airglow of the atmosphere dividing Earth from space — yellow-green at an ...

A Soviet spacecraft is expected to come hurtling back to Earth after being stuck in orbit for more than 50 years. The Kosmos ...

Kosmos-482, which was headed to Venus, is expected to re-enter Earth’s atmosphere by the end of this weekend. Experts don’t ...

Five asteroids are expected to make close approaches to Earth this weekend. A large asteroid could pass close enough to Earth within the next decade that there's a chance it could strike the ...