NASA’s twin Voyager probes, which launched in 1977, are the longest-running missions to send data home. But as their power ...

Experiments suggest that processes in the interior of the moon could keep it swathed in an atmosphere that should otherwise ...

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Voyager is a mixed bag of weird ideas and big action, and the kind of finale that feels both exhilarating and disappointing.

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

When the Voyager 1 spacecraft passed by Saturn ... when we can only see the edge of the rings). Titan was discovered during a ...

The largest, Titan, is bigger than the planet Mercury ... Saturn's moons were thrust into the spotlight during the Voyager 1, Voyager 2, Pioneer 10 and Pioneer 11 flybys in the 1970s and 1980s ...

Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know where to look — and that means figuring out which planets are likely to have ...

Multiple people familiar with the White House proposal said cuts to NASA's "Science Mission Directorate" could be as high as ...