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Facing Reality About Life on Other Planets, 6: Chemistry and Probability

In this final segment about habitability of exoplanets, Dr Henry Richter looks at chemistry and probability.

Facing Reality About Life on Other Planets, 5: Water and Rock

by Dr Henry Richter There is much interest in searching for life elsewhere in the Universe. In previous articles I talked about the many criteria describing conditions and circumstances required to establish and maintain life on a planet. I talked about the importance of the location of the planet in its solar system. The location […]

Bubbles Scream Life

It might be a fungus. It might be half a billion years older than previously thought. It might rewrite the evolutionary history of complex life, including humans. What is it?

Dawn of a Young Ceres

The largest asteroid has a problem: she's too young to get a date.

Dead Sea Receding Shoreline Reveals Amazing Geology

As the Dead Sea's water level continues to decline, interesting geology comes to light.

Amino Acids Unlikely to Survive on Mars

UV radiation quickly degrades amino acids on most Martian minerals, a new study shows.

The Silent Underground Network

Under your feet in the woods is a vast communication network where information technology keeps the ecosystem functioning.

Beware of Misinterpreting Water Claims

A claim of vast reservoirs of water deep in the earth is based on indirect evidence, and likely has little or nothing to do with surface water or floods.
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