Friday, October 25Venus passes 3° north of Antares at 3 P.M. EDT. The pair is very low in the southwest, but if you've got a ...

Europa Clipper will peer beneath the moon’s icy crust where an ocean is thought to be sloshing fairly close to the surface ...

It won't land, but the robotic spacecraft will fly as close as 16 miles to the moon's frozen surface to probe oceans of ...

Europa Clipper launched on Monday, Oct. 14 atop a SpaceX rocket to begin a 1.8-billion-mile journey to the Jovian System to ...

While Europa's existence has been known since 1610, the first close-up images were taken by the Voyager probes in 1979, which ...

Europa, Ganymede and Callisto, in contrast ... from Jupiter likely maintain a massive liquid ocean beneath the moon’s icy surface. Credit: NASA/JPL-Caltech/Michael Carroll Europa, Ganymede ...

NASA has successfully launched the Europa Clipper spacecraft from Florida’s Kennedy Space Center to explore Jupiter’s moon ...

A frozen “ocean world” is the likeliest place in the solar system to foster alien life. Louise Prockter and her colleagues ...

The Hubble Space Telescope has spotted what appear to be geysers erupting from the surface ... below. Callisto’s ice sheet may be even thicker, possibly hiding an ocean. Saturn’s moon ...

It's four largest moons are Ganymede, Callisto, Io and Europa ... Europa is roughly 10% smaller than Earth's moon. Europa is a cold moon, with surface temperatures ranging from minus 210 to ...

The Hubble Space Telescope has spotted what appear to be geysers erupting from the surface ... below. Callisto’s ice sheet may be even thicker, possibly hiding an ocean. Saturn’s moon ...