Space debris from rocket bodies orbiting Earth could pose an increased threat of striking aircraft as it falls from space, ...

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether. McCandless was wearing a type of jetpack known as the Manned Manoeuvring Unit, or MMU. The MMU fit over a ...