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Ichthyosaur Fossilized Giving Birth

Caught in the act: another fossil shows an extinct marine reptile giving birth to live young.

New Craters Found on Mars

Orbiters can count new craters forming on Mars, refining cratering rates. One spectacular new crater has appeared since 2010 with vivid rays.

New Cambrian Fossil Quarry Beats Burgess Shale

A new outcrop of the Burgess Shale formation in Canada appears to be richer and more diverse than the original.

Downfall of Homo antecessor, Ancestor in Name Only

Details make the story of Homo antecessor an improbable tale of human evolution.

Chinese Dinosaurs May Have Been Buried in Volcanic Ash

A new analysis of Chinese fossils claims a Pompeii-style eruption buried them suddenly. What does this imply about dating the fossils?

Grand Canyon Age Changes Again

Is the Grand Canyon old or young? Both, geologists are now saying. The latest theory, though, is unlikely to end the 140-year debate.

Turkeys Aren't Stupid

Turkeys that are inspiring homeland security technology are just one example of hot designs engineers are finding in the biosphere's treasure chest.

Another Geyser World Erupts: Asteroid Ceres

The asteroid Ceres is popping off with water vapor on two sides. What's that world coming to? One thing is sure: DAWN is coming to it.

Miller-Urey Spark Discharge Experiment Resurrected

Technicians provide detailed instructions how to spark gases to make amino acids without causing explosions in the lab.

Amazing Animals

The capabilities of animals large and small continue to fascinate scientists and the public. Here are some recent findings.

Formation Flight Physics Mastered by Birds

Birds fly in that beautiful V formation for a reason, and it requires sophisticated abilities in high precision aerodynamics.

Tiktaalik Is Back, This Time With a Hip Twist

Discoverer of a putative ancestor of tetrapods thinks it came with rear-wheel drive.

Hand of God Is Not Nebulous

An exploded star that resembles a giant hand provides opportunity to discuss theology and intelligent design.

Hubble Finds Early Large Galaxies

The latest deep space image by the Hubble Space Telescope shows many small galaxies near the beginning, but large ones, too.

Dark Matter Search Tinkers with Mythology

They can't find it, but it must be there. How long can that approach be sustained?
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