Europa, one of Jupiter’s four Galilean moons, is not the most welcoming place. On the surface, daytime temperatures barely surpass −260 degrees Fahrenheit (–160 degrees Celsius), and a fractured, icy ...

If we’re going to find life on another world, Europa might just be our best bet. We think this icy moon of Jupiter has an ocean of water beneath its frozen surface, and it seems like this ocean might ...

Europa is the best bet for finding alien life in the solar system. Mounds of visual evidence suggest that Jupiter's fourth-largest moon has a subterranean ocean with at least twice the amount of ...

Europa, one of Jupiter's moons NASA / Jet Propulsion Lab-Caltech / SETI Institute Europa is one of Jupiter’s 95 moons, and perhaps among the planet’s most famous orbiters. It’s covered in a shell of ...

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Jupiter’s moon, Europa, has long fascinated scientists. They believe it’s covered in a massive salty ocean, holding almost twice as much water as all of Earth’s oceans combined, making it one of the ...

Does life exist elsewhere in the universe beyond Earth? Based on our knowledge of the nature of life on Earth and of how it arose about 3½ billion years ago and subsequently evolved to occupy almost ...

In the search for life in our solar system, Mars tends to steal the spotlight (thanks, David Bowie). But in recent years Jupiter’s fourth largest moon, Europa, has emerged as a promising ...

THE WOODLANDS, TEXAS — On stage, before a silent assembly of scientists, many of whom are experts on alien worlds, planetary scientist Paul Byrne assumed his position behind the podium. He had come to ...

On a clear night, if you point a telescope at the sky, you might spot a line of bright, star-like lights. What you’re actually seeing is Jupiter and its four Galilean moons – Ganymede, Callisto, Io ...