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NASA Astrobiologists Draw Comics on the Job

A federally-funded NASA website about astrobiology has just launched an evolutionary comic strip. Is this an appropriate use of taxpayer funds?

Scientists Dodge Youthfulness of Saturn Moon Enceladus

Planetary scientists have figured out that the geysers of Enceladus vary during its orbit, but seem oddly silent about the question of how long the little moon could remain so active.

Astronomy Grab Bag

For year's end, here's a clean-out of astronomy articles—from planetary science to cosmology—to motivate further inquiry.

Planets and Moons Beneath the Surface

Can science peel back the surfaces of objects to see what's underneath? Can they go under the observations to find the explanations?

Earth’s Twin: What Does “Potentially Habitable” Mean?

The Kepler spacecraft has found dozens of “potentially habitable” planets around other stars, but this week announced one that some news sources are calling “Earth’s twin.”

Europa Plus Water Does Not Equal Life

NASA gave one of its high-profile press releases this week to dazzle reporters: Europa, the icy moon of Jupiter, may have large lakes of liquid water under its icy shell, closer to the surface than the deep ocean long believed to exist miles down. The curious domes rising above the ice seem to indicate heating that Would the reporters resist the temptation to speculate about life?
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