Two US astronauts floated outside the International Space Station on Tuesday for a seven-hour, 24-minute spacewalk to repair the orbiting outpost's aging robotic arm, NASA said.
Spacewalking astronauts gave a hand to the International Space Station's big robot arm Tuesday.
"The cosmos is within us. We're made of star stuff." Thanks to a new study, this famous phrase by iconic astronomer Carl Sagan, now has some more support.
Meet the Aussies behind a virtual reality application that is really out of this world.
Kilopower—Pioneering space fission power system could provide up to 10 kilowatts of electrical power
When astronauts someday venture to the moon, Mars and other destinations, one of the first and most important resources they will need is power. A reliable and efficient power system will be essential for day-to-day necessities, ...
The hottest point on a gaseous planet near a distant star isn't where astrophysicists expected it to be - a discovery that challenges scientists' understanding of the many planets of this type found in solar systems outside ...
Authorities in Morocco said Monday they doubt the authenticity of an alleged dinosaur tail sold in Mexico, after launching a probe to see if it had been illegally exported from the North African country.
This is an image of the Cartwheel Galaxy taken with the NASA/ESA (European Space Agency) Hubble Space Telescope.
NASA has bumped an astronaut off an upcoming spaceflight, a rare move for the space agency so close to launch.
Christa McAuliffe's lost lessons are finally getting taught in space.