NASA's Solar Dynamics Observatory captured an X1.1-class solar flare in multiple wavelengths. See time-lapse footage of the blast that caused "a strong shortwave radio blackout over South America," ...

Look to the southwest sky after sunset on Saturday, as the sliver of a waxing crescent moon nears bright Venus with Saturn ...

Asteroids are small, rocky objects that orbit the Sun, mostly found in the asteroid belt between Mars and Jupiter. They can ...

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...

Chorus waves, which affect the safety of astronauts and satellites, have been found in a place where their existence was ...

Witness a rare celestial spectacle! Seven planets, including Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, will ...

CAPE CANAVERAL, Fla. — One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station ...

One of the two NASA astronauts stuck in space got a much-welcome change of scenery when she stepped out for her first spacewalk after seven months in orbit. Suni Williams and Butch Wilmore have ...

CAPE CANAVERAL, Fla. — One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station more ...