For centuries, planets beyond our solar system—called exoplanets —existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the relatively tiny ...

A distant white dwarf hosts an Earth-like planet in an orbit that might be similar to Earth’s if it survives the Sun’s red giant phase.

On Sept. 3, 2034, Europa Clipper will intentionally slam into Jupiter’s rocky moon Ganymede, ensuring the spacecraft doesn’t accidentally strike one of the planet’s more scientifically ...

“You’ll be able to see Mars, Saturn and Jupiter,” said Dr ... “But physically, there’s no actual alignment happening. It’s ...

Ever since the Galileo spacecraft flew by Jupiter's icy moons in 1989, scientists interested in life beyond our planet have been ... with Jupiter in the background. Pic: NASA/JPL-Caltech via ...

It could have been a fluke, but just maybe it was a planet half the mass of Jupiter in an orbit no one thought possible ... but could also be a star in the background—"but nothing I would ...

A SpaceX Falcon Heavy rocket with a NASA spacecraft bound for Jupiter ... planet and sneak close to Europa during dozens of radiation-drenched flybys. Europa Clipper won’t look for life; it has ...

It will take Europa Clipper 5 1/2 years to reach Jupiter, where it will slip into orbit around the giant gas planet and sneak close ... t look for life; it has no life detectors.

Its massive solar panels make Clipper the biggest craft built by NASA to investigate another planet. It will take 5 1/2 years ...

Its massive solar panels make Clipper the biggest craft built by NASA to investigate another planet ... Jupiter. Ditto for Saturn’s moon Titan, also suspected of having a subterranean sea. While ...