Space

"If you can't see it, you can't shoot it."

The "Space Corps" debate continues, with lawmakers pushing harder than ever to convince the Air Force.

They have nine months to perfect a strategy to reach a U.S. space capsule in time to retrieve the astronauts aboard.

Weapons capable of jamming or destroying U.S. satellites will reach initial operational capability in the next few years.

Officials remained tight-lipped about a satellite that could be somewhere in orbit -- or crashed into the sea.

SpaceX will launch a secret military payload, code-name Zuma, this weekend on a Falcon 9 rocket.

While the launch was deemed successful, the payload failed to reach orbit.

Fischer was selected in 2009 as part of NASA's 20th astronaut class, and completed astronaut candidate training in July 2011.

The first astronaut to take an untethered "spacewalk" died last week at age 80.

The Pentagon won’t have to create a militarized space unit — known as Space Corps — under the negotiated version of the...