Despite its Earth-like rivers and lakes of liquid methane, Saturn’s moon Titan seems oddly lacking in river deltas — geological formations that are typically rich in historical clues. Using data from ...

Stargazers who turn their eyes skyward — and use a little bit of imagination — will have a chance to spot a rare "smiley face ...

NASA’s new PUNCH mission just opened its eyes to space, capturing its first images of the Sun’s outer atmosphere and the ...

The thin, outermost ring in the photo is composed of particles shepherded by the gravity of two moons orbiting around it.

New research finds that despite large rivers and seas of liquid methane, Saturn's moon Titan seems mostly devoid of river deltas, raising new questions about the surface dynamics on this alien world.

That’s why NASA sent the Mars rover to Jezero Crater, which contains a well-preserved delta. And it’s why researchers are so ...

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent moon form a celestial smirk near the horizon.

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.

Titan, Saturn's largest moon, is a fascinating world that is unique among moons of the outer solar system. It's shrouded in a ...

Alien life could exist on the huge Saturn moon Titan, but probably not in the abundance scientists once hoped, according to a ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...