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Saturn's moon Enceladus with "Tiger Stripes" fissures where geysers erupt

Enceladus Pumps Imagination into the Vacuum

NASA astrobiologists abandon scientific restraint in a naked push to titillate taxpayers for another vain quest to find life beyond Earth.

Trending: Moons With Oceans

Europa has one. Enceladus has one. Titan might have one. Now, it seems every moon wants an ocean under its crust.

Astrobiology Has No Bio

When you take the "bio" out of astrobiology, what do you get? Is it still a science?

Saturn Rescues Earth: Outer Planet Wonders

How Saturn saved the Earth, and other news from the ringed planet, its family, and other bodies in the outer solar system.

The Miller Experiment Is Dead; Long Live the Miller Experiment

The image of Stanley Miller pondering his spark-discharge apparatus is too valuable an icon to toss on the trash heap of history.

Mars Radiation Fries Organic Compounds

Don't expect the "building blocks of life" to last very long on Mars.

How to Liven Up Dead Geology

A new study shows some carbon compounds from Mars formed, not by living organisms, but from geological and chemical processes. What does life have to do with it? Ask some science reporters.