After several issues, including high winds, stuck engine valves and a boat downrange of the launch site, the space agency said it would cancel today's planned launch of the new vehicle.
NASA plans to launch an unmanned capsule named "Orion" from the Kennedy Space Center in Florida on Thursday. NASA hopes that Orion will one day carry astronauts beyond Earth's orbit and even to Mars.
This is the first time NASA will fly a spacecraft designed for humans since the space shuttle retired in 2011. The pod is similar to what the Apollo astronauts used in the 1960s and '70s.
Two NASA astronauts are aboard the International Space Station. Turkey is on the menu but not pumpkin pie. NASA can't make pumpkin pie in space because the crust doesn't come out right.
The astrophysicist has been tweeting about the science behind the film. In an interview withNPR, Tyson goes beyond those tweets, into wormholes, relativity and even some spoilers.
An orbiting spacecraft caught the Philae lander bounding on the surface of Comet 67P/Churyumov–Gerasimenko. The lander sent home some scientific data before its batteries ran out.
The sky was full of wonders this week, NPR's Scott Simon muses, as a spacecraft landed on a comet and two window washers were rescued 69 stories above the streets at the new One World Trade Center.
As the Rosetta mission made history by putting a lander on a comet, one of its leading scientists drew wide criticism for wearing a shirt featuring lingerie-clad women.
Fearing that Philae's batteries won't last past Friday, engineers are looking at possible ways to help it get more power from its solar panels. One ray of hope: Its comet is heading toward the sun.