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Moon Still Has Hot Core

Japanese scientists have determined that a soft, hot core remains in the center of the moon, contrary to expectations.

Living Stalactites and Other Geological Surprises

Dripstones in caves can be made by microbes, some speleologists find. That's among several recent geological surprises.

Fluffballs in Space Shouldn't Exist

A rubble-pile asteroid has such low density it should have disintegrated, but it's doing just fine.

Extinct Reptiles Quickly Spread Over the Globe

On every continent, dinosaurs and other extinct reptiles thrived. Here are some recent amazing finds.

Planet Rotation Limits Habitability

Life can't exist on a planet that rotates too fast or slow. This is another Goldilocks problem for astrobiologists to consider.
Delicate Arch, Utah

Sandstone Arches Get New Explanation

The national park signs may need updating.

New Ways to Find E.T.

SETI researchers may not have to wait by the stellar radio dial for their imaginary friends to call in. They might eavesdrop on their pollution.

Cell's Molecular Machines Arouse Fascination

With increasing image quality at their disposal, biologists are finding amazing molecular machines at work in living cells.

Io Volcanoes Go Hyperactive

The volcanoes on Jupiter's moon are bursting out at record rates, and nobody knows why. Is it the new normal?

Rosetta and the Stone

A historic comet rendezvous mission begins today after ten years in space.

Amber Alert: New Discoveries in Old Sap

Even old pieces of amber in a museum drawer can reveal unexpected surprises.

Rest of the Story: Hobbit Evolution Debunked

That little skull from a cave in Indonesia was not a pre-human, but a regular human with Down Syndrome.

Saturn's F-Ring Has Quieted Down

Comparing measurements over 25 years, planetary scientists have noted a drop in bright clumps in Saturn's tenuous F-ring.

Can You Shrink a Dinosaur to Make a Bird?

A new research paper claims that birds emerged from a long process of dinosaur miniaturization. The news media loved it.

Lower Animals: "Lower" Does Not Mean "Simpler"

Here are a few "lower" animals worth knowing about. They reveal astonishing design throughout the living world, but little support for evolution.
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