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NASA Verdict: Most Exoplanets Are Not Habitable

Superflares from the majority of stars would likely sterilize any planet in its "habitable zone."

New Illustra DVD Released: “Call of the Cosmos”

Illustra's newest DVD showcases Psalm 19 in multiple ways.

Latest Evidence that Saturn and Its Rings Are Young

A new set of post-Cassini papers has to deal with observational facts: Saturn's rings cannot last billions of years.

Geophysics Not Rock Solid Science

With observation, instruments and models, you would think geophysics is hard science.

Ceres Looks Seriously Young

Asteroids should not be so active. This one was, and is.

Buffon or Buffoon? Evaluating a Dead Expert

He was highly regarded in his day, but the beliefs of Comte de Buffon seem comical now.

Pluto Rivals Earth in Geological Complexity

Call it what you will, Pluto is a planet of surprises. Its active geology is second only to Earth's, say two planetary scientists.

How Did Earth Get Its Phosphorus?

The element phosphorus is hard to get to a planet's surface where it is needed.

Astrobiology Survives on Passionate Hope

Without the words 'might' and 'could,' astrobiologists would have nothing to say.

Stalactite Indicates Ultrafast Magnetic Reversals

Contrary to what geophysicists have claimed for decades, magnetic reversals may occur 'ridiculously quickly.' Or is confidence in experts ridiculous?

Spacecraft Launches to Sun, Still a Mystery

A spacecraft just took off on a mission to the sun, but not to worry; it went at night.

Richter Scaling: Is Funding for Astrobiology and SETI Justified?

Should the government fleece taxpayers again for a project with almost zero chance for success? Consider two "Richter scales" that should inform hopes.

Poison Water Detected on Mars

Mars mania has struck again, with the latest announcement that a "lake" of water may exist under the red planet's polar ice cap.

Mars Is Losing Its Atmosphere Fast

Measurements of Martian atmospheric loss rates imply incredible changes over the assumed billions of years of Mars' history.

Time to Revisit the Lunar Dust Problem?

How deep should lunar dust get over billions of years? Opinions have vacillated between extremes, but a new study might open up the debate again.
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