satellites

The Zephyr drone could be used for military reconnaissance and wildfire monitoring, among other activities.

A Russian satellite that launched to Earth orbit last October has been behaving oddly, raising the possibility that the craft could be some sort of space weapon, a U.S. diplomat warned.

Now, that's cold.

Satellites circling Earth have mapped an elusive, invisible force in unprecedented detail: the magnetic field created by the currents in the planet's salty oceans, according to new research.

A new milestone for the world's biggest plane rolls it closer to leaving the ground.

The monster jet, bankrolled by Microsoft co-founder Paul Allen, is designed to bring satellites into orbit.

Data gathered by satellites circling Earth since 1997 come together in a breathtaking time lapse of our dynamic planet.

An animation of satellite images shows plumes of dense, gray smoke rising from wildfires burning in multiple locations in California.

Lighting from a storm on Aug. 21 is visible within the eclipse's shadow over North America.