ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

During the red giant phase, both the Sun and Jupiter will shine brighter and become hotter. However, its moon Europa is ...

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

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

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

Researchers armed with the Hubble Space Telescope have revealed that some of Uranus' largest moons have one side brighter ...

In about 4.5 billion years, the Sun will enter its red giant phase, swallowing Mercury and Venus and rendering Earth ...