As the hunt goes on for an Earth-like twin, NASA's Kepler mission has revealed an amazing array of planetary systems. Here are four that hint at the diversity.
A wandering Jupiter may have wreaked havoc on the large inner planets of our early solar system, leaving behind an apparently rare configuration of planets.
It came in like a wrecking ball…
A new study suggests that Enceladus might have hot, mineral-rich water seeping into the ocean beneath its icy surface. On Earth, thriving ecosystems live in such environments.
Hot springs on Saturn's ice-encrusted moon Enceladus suggests that parts of the ocean locked beneath the ice is at near-boiling temperatures.
NASA's Dawn space probe has taken the sharpest-yet image of Ceres, a dwarf planet in our solar system's asteroid belt.
Astronomers have detected an exoplanet with a gargantuan ring system, some 200 times larger than that of Saturn.
SpaceX has released a new computer-generated animation showing the Falcon Heavy rocket, which is designed to have all three of its boosters touch down softly near the launch pad.
A 'super Saturn' some 116 light years away from our solar system appears to have a massive and complex ring system.
Dawn, scheduled to arrive at Ceres March 6, is expected to provide crucial insights into the processes at play on the solar system's innermost dwarf planet.
On Jan 14, 2005, a European Space Agency probe touched down on the surface of Titan, Saturn's largest moon.