NASA, SpaceX set May target date for first American space mission since 2011

NASA has officially announced a launch date for the first crewed test flight of the SpaceX Dragon capsule. Two astronauts will be aboard when it lifts off from Kennedy Space Center on May 27 -- the first such flight since the shuttles retired.

Spacewalking astronauts plug leak, finish fixing detector

The $2 billion Alpha Magnetic Spectrometer could resume its hunt for elusive antimatter and dark matter by midweek.

Mystery drone sightings in Colorado, Nebraska and Wyoming prompt theories

Dan Carlson says drones have flown after dark near his Nebraska farm four times this year. He suspects military involvement. U.S. Air Force officials overseeing dozens of nuclear missiles scattered across the region deny any role in the drone sightings.

US restricts exports of AI for analyzing satellite images

The Commerce Department said new export rules take effect Monday that target emerging technology that could give the U.S. a significant military or intelligence advantage.

Boeing capsule returns to Earth after aborted space mission

The Starliner descended into the Army's White Sands Missile Range in the frigid predawn darkness, ending a two-day demo that should have lasted more than a week. A trio of red, white and blue parachutes popped open and airbags also inflated around the spacecraft to ease the impact.

Pentagon tests long-banned ballistic missile over Pacific

The prototype missile was configured to be armed with a non-nuclear warhead. The Pentagon declined to disclose specifics beyond saying the missile was launched from a “static launch stand” at Vandenberg Air Force Base in California and landed in the open ocean. The Defense Department said the ballistic missile flew more than 500 miles.

SpaceX launches 60 more mini satellites for global internet coverage

SpaceX has launched 60 mini satellites, the second batch of an orbiting network meant to provide global internet coverage.   

Mercury putting on rare show parading across the sun

The solar system's smallest, innermost planet will resemble a tiny black dot Monday as it passes directly between Earth and the sun. It begins at 7:35 a.m. EST.