"There's very strong evidence that the ingredients for life exist on Europa, but we have to go there to find out." ...

NASA’s Europa Clipper spacecraft, the largest the agency has ever built for a planetary mission, will travel 1.8 billion ...

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Jupiter Icy Moons Explorer (JUICE) mission photographed the Earth, moon and Uranus as it heads toward Venus for a gravity assist next year.

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...