Satellites

The Pentagon's UFO office is developing sensor kits to help it collect data in real time on unidentified objects in the sky or in space.

The uncontrolled reentry of the European Space Agency's defunct ERS-2 satellite was a reminder that operators should plan out the safe demise of their spacecraft.

A NASA satellite recently spotted a series of bizarre "fallstreak holes" in clouds above Florida. The circular cloud gaps have been previously (and incorrectly) linked to paranormal phenomena.

Atmospheric scientists are increasingly concerned that this sort of apparent fly-tipping by the space sector will cause further climate change down on Earth.

As Europe's ERS-2 satellite tumbled through the sky, radar images picked up some of the damage it experienced during its final moments.

The European Space Agency's ERS-2 satellite fell to Earth on Wednesday (Feb. 21), bringing an end to its nearly 30-year life in space.

A European Space Agency spacecraft is making an uncontrolled nosedive into Earth's atmosphere – with elements of the 2.3-ton spent satellite likely to survive the plunge into purgatory.

Once known for her beloved roles on Disney Channel, Bridgit Mendler has re-introduced herself as a CEO in the space business game.

Non-Earth imaging company HEO Robotics captured breathtaking images of ESA's ERS-2 satellite as it tumbles towards an atmospheric reentry on Feb. 21.

The White House reassured the American public that a Russian nuclear space weapon, currently in development, poses no threat to people or property on Earth.