Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

"That has been the poster child for a mission that has ... it would be to finance another Voyager mission — the NASA endeavor that sent twin spacecraft to explore the territory beyond our solar system ...

Anne McClain and Nichole Ayers achieved most of their planned tasks on today's (May 1) 5-hour, 44-minute extravehicular ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new look at ...

Reference Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way. An object seen to have moved in the ...

PUNCH, a bold new NASA mission, has successfully taken its first images of the Sun’s corona from orbit using four ...

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy space rock that resembles an odd-shaped peanut. The space agency released the images Monday ...

Thirty-five years later, NASA says Hubble has proven to have "opened a new window to the universe," with more than 1.6 ...

The US space agency NASA ... from the solar corona, the outermost layer of the sun's atmosphere, which becomes a stream of charged particles and spreads through the entire solar system.

A solar eclipse visible only from space was captured on video thanks to a NASA satellite. On April 27, the moon blocked 23 percent of the sun in a partial eclipse, but it was not possible to see ...