Mars, Earth, Sun Line Up Perfectly In Sky This WeekendIt's Mars' turn to steal the show this week after Mercury's debut last week.
SpaceX Lands Rocket At Sea 2nd Time After Satellite LaunchAerospace upstart SpaceX has successfully landed a rocket on an ocean platform on Friday for the second month in a row.
British Astronaut Set To Run London Marathon From SpaceBritain's first official astronaut will run the London Marathon from space.
SpaceX Back In Delivery Business With Futuristic Pop-Up RoomSpaceX is back in the delivery business for NASA and it already is getting more attention over its first ever inflatable room built for astronauts.
Star Astronaut Scott Kelly: Time Right To Retire From NASAAfter 20-year career with NASA and a record-breaking 340 straight days in space, astronaut Scott Kelly announced he is retiring.
NASA Spaceman Back From Record Year Flight; Gives Thumbs UpAstronaut Scott Kelly is back on earth Wednesday after spending a year in space.
Guide To Visiting MLB Spring Training In FloridaYour travel guide to visiting any of the MLB teams in the Florida Grapefruit League for this year's spring training
Astronauts Collect Seed Specimens, Release Time Capsule Into SpaceSpacewalking Russians collected seeds and spores outside of the International Space Station and gave a ceremonial send-off Wednesday to a flash drive containing special messages for their motherland.
30 Years Since Challenger: Teacher-In-Space Finalists GatherDozens of educators who had competed alongside Christa McAuliffe to be the first teacher in space gathered to remember the seven astronauts who died while aboard the Challenger 30 years ago.
Scientists: Solid Evidence For 9th Planet In Solar SystemScientists say they finally have "solid evidence" for Planet X, a ninth planet on the fringes of our solar system.
Astronaut Nurses Flower To Full Bloom After Mold InvasionIt might still be winter in the Northern Hemisphere and summer in the Southern Hemisphere, but for the International Space Station it's spring all the way.
Spacewalk Aborted After Water Leaks Into Astronaut's HelmetA space walk was cut shot Friday after water leaked into one of the astronaut's helmets in a scary repeat of a near-drowning that happened 2 1/2 years ago.