The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

Perhaps life can be found on the moon of a hot Jupiter or lingering ... an ocean world at Saturn's orbit would be an ice planet far beyond the habitable zone. To become a living world, it would ...

The one closest to home comes from the ongoing Juno spacecraft mission studying Jupiter and its moons ... K2-18b sits in the star’s habitable zone where liquid water can exist on the surface.

This plume material emanates from a potentially habitable ocean below the ... our solar system—such as Neptune's Triton, Saturn's Titan and Jupiter's Europa—and their potential to harbor ...

Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the ...