Hubble's latest observations show Uranus' moons behaving in ways scientists didn't expect, revealing surprising clues about ...

Based on data from NASA's Voyager 2 flyby in 1986 and decades of modeling, scientists expected the trailing hemispheres of ...

Instead, they found no evidence for darkening on the moons’ trailing sides, and clear evidence for darkening of the leading ...

Scientists using NASA's Hubble Space Telescope went looking for evidence of one phenomenon and found quite another.

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

Europe compares favourably with the US on the level of space science it delivers, and Esa has sometimes “gone boldly” where ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

Rumors began swirling about the demise of NASA science in April, when a leaked OMB document described some of the proposed ...

Scientists' best explanation for how planets form is called the core accretion theory. The birth of a planetary system begins ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

NASA’s space telescopes and missions have captured some of the most stunning images of the universe. From distant galaxies to ...

Now three months past its conjunction with the sun in March, Saturn is currently well separated from the dawn glow. On June 1 ...