Rigel is the brightest star in Orion, and will eventually explode into a supernova, most astronomers say.
NASA wouldn't be breaking new ground if the agency did go with a private rocket for the upcoming test flight of its Orion crew capsule.
NASA is considering launching its Orion crew capsule on a commercial rocket rather than the Space Launch System, the agency's own megarocket that is currently under development.
The Orionid meteor shower is set to peak on the night of Oct. 22-23, but a bright moon will disrupt viewing until shortly before dawn.
From the mighty Saturn 5 to NASA's new Space Launch System, see how the biggest rockets on Earth compare.
A tiny cubesat cruising through interplanetary space has captured a new glimpse of Mars, just before watching NASA's InSight lander touch down the Red Planet.
Mars is the second-most studied planet — only behind our own — but we know virtually nothing about its interior. That's about to change with NASA's InSight.
When InSight reaches Mars, it faces a formidable challenge, perhaps the most harrowing so far of its seven-month-long journey.
NASA is powering ahead with assembly of its Orion crew capsule for the first full-scale test flight of the new system, thanks to a special delivery from the European Space Agency (ESA).
Need a virtual vacation? NASA has you covered, thanks to a well-timed test procedure for their Orion crew capsule.
NASA set off for the Pacific Ocean to test recovery procedures for the agency's Orion capsule, which is destined to carry humans to the moon and beyond.
Mariner 9 was the first spacecraft to orbit another planet. It arrived at Mars in 1971 and subsequently our perceptions of the Red Planet.
On Oct. 15, NASA tested the water-deluge system at Launch Complex 39B at Florida's Kennedy Space Center, and it was a sight to behold.
NASA and the U.S. Air Force recently tested astronaut survival systems for the first time since the space shuttles stopped flying in 2011.