A spacewalking astronaut successfully replaced a blurry camera outside the International Space Station on Friday, but had to contend with a balky jetpack and a frayed safety tether.
Nearly 200 people across the Northeast reported seeing a bright object streak across the sky.
When small pieces of rock hit the moon's surface at incredibly high speeds, they produce flashes of light detectable from Earth. Now, astronomers have measured their temperature for the first time, using a telescope funded ...
Narrow dense rings of comets are coming together to form planets on the outskirts of at least three distant solar systems, astronomers have found in data from a pair of NASA telescopes.
NASA has authorized a second extension of the Dawn mission at Ceres, the largest object in the asteroid belt between Mars and Jupiter. During this extension, the spacecraft will descend to lower altitudes than ever before ...
Two American astronauts floated outside the International Space Station Friday for the third spacewalk this month aimed at repairing the orbiting outpost's robotic arm and replacing old video cameras.
When NASA scientists want to follow the path of the Curiosity rover on Mars, they can don a mixed-reality headset and virtually explore the Martian landscape.
Jupiter's moon Amalthea casts a shadow on the gas giant planet in this image captured by NASA's Juno spacecraft. The elongated shape of the shadow is a result of both the location of the moon with relation to Jupiter in this ...
ESA and the Canadian Space Agency are probing how to explore the Moon with a robot rover. The teams are investigating the challenges of remotely operating a rover in a representative lunar scenario with teams in several locations ...
If there are habitable conditions on Mars, they may be underground. Scientists from around the world are now testing how to live on other planets by venturing a kilometre beneath the surface in a UK mine. ESA astronaut Matthias ...
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