New panels want to talk ethics, rules of climate tinkering

Tinkering with the planet's air to cool Earth's ever-warming climate is inching closer to reality enough so that two different high-powered groups—one of scientists and one of former world leaders—are trying to come up ...

Researchers find climate change record in clam shells

The tiny, pale surf clam about the size of a fingernail that most people have seen and collected on beaches around the world holds clues in its shell to Earth's past. For the first time, researchers have been able to identify ...

'Lakes' under Mars' south pole: A muddy picture?

Two research teams, using data from the European Space Agency's Mars Express orbiter, have recently published results suggesting that what were thought to be subsurface lakes on Mars may not really be lakes at all.

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