CAPE CANAVERAL/WASHINGTON - NASA will partner with Boeing and SpaceX to build commercially owned and operated "space taxis" to fly astronauts to the International Space Station, ending U.S. dependence on Russia for rides, officials said on Tuesday. | Video
WASHINGTON - Senior U.S. Air Force officials on Tuesday said they favored competition for military rocket launches, but the Air Force needed to stick to its high standards in certifying the Falcon 9 rocket, built by privately-held Space Exploration Technologies.
LONDON - Scientists in Britain have given blow-by-blow details of King Richard III's death at the Battle of Bosworth more than 500 years ago and say two of many blows to his bare head could have killed him very swiftly.
WASHINGTON - The U.S. Air Force plans to request initial funding for three surveillance satellites to track objects in space as part of its fiscal 2016 budget request, a top Air Force general said Tuesday.
LONDON - A simple urine test for the virus that causes cervical cancer could offer a less invasive and more acceptable alternative to the conventional cervical smear test, researchers said on Tuesday.
ALBUQUERQUE N.M. - Delays in the launch of the first space flights by Sir Richard Branson's Virgin Galactic from a base in New Mexico have drawn criticism from a county commissioner in the south of the state.
MIAMI - Shortly after dusk, three researchers squat on the lawn of a vacant, million-dollar home in a posh Miami suburb, pointing ultrasonic microphones at the darkened mansion.
BERLIN/PARIS - A team of scientists identified on Monday the point on the surface of a comet, known as "Site J," where they aim to land a probe in what would be a historic breakthrough for their decade-long project.
LONDON - The first volunteer in a fast-tracked British safety trial of an experimental Ebola vaccine made by GlaxoSmithKline received the injection on Wednesday, trial organizers said.