If our Solar System seems stable, it’s because our short lifespans make it seem that way. Earth revolves, night follows day, ...

The orange dwarf Gliese 710 is expected to come within 0.1663 light-years or 10,520 astronomical units in about 1.29 million ...

Planetary exploration science at the SETI Institute spans the entire solar system – from planets and moons to asteroids and ...

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

U ranus is a very weird planet, and it turns out that there is a newly discovered oddity to add to its already extensive list. Astronomers used Hubble to study the interactions between the planet's ...

NASA scientists found evidence of darkness on the 'leading side' of Uranus' moons, which they expected to be bright.

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

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

Fresh James Webb Space Telescope images capture two young exoplanets in, providing new details about exoplanet atmospheres and formation.

Astronomers have captured silicate clouds and a mysterious disk around two giant young exoplanets, revealing surprises that ...

Dusty clouds made of sand—that may rain iron—blanket a giant planet orbiting a young, sun-like star just 310 light-years from Earth, the James Webb Space Telescope has revealed. The discovery was made ...

New Hubble observations reveal unexpected darkening on Uranus’ moons, challenging long-held assumptions about its ...