Why the T. rex had teeny tiny arms

New paleontological research has discovered the reason why the Tyrannosaurus rex didn't need bigger arms. The Tyrannosaurus rex was a fearsome apex predator during its day, and it looked the part. Except for its rather goofy-looking tiny arms, which — in comparison to the rest of the beast's mighty, 12-metre body - seem pretty useless.

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Missing Link For Wonky-Eyed Fish Discovered

The face of a flounder, sole, halibut or other flatfish looks like a hodgepodge of mismatched puzzle pieces forced together, with eyes that don't seem to match one another nor the orientation of the animal's mouth.

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NASA Launches X-Ray Telescope

Technicians installed one half of the payload fairing over the NuSTAR May 22 as they processed it and the Pegasus rocket for launch.

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Your distant human ancestor? He may have had a shark head

Now-extinct fish was among first to split from sharks and later evolved into many species

In fact, this now-extinct fish was among the first to split from sharks, whose bones are made of cartilage, to evolve into a line of tough-boned species that includes everything from bony fish to human beings. A new analysis finds that this controversial class of animals was more shark-like than expected.

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Warming Turns Tundra to Forest

Models made previous to this research had indicated that the potential impact of forestation in the Arctic tundra could increase Arctic warming by an extra 1 to 2 degrees Celsius by the late 21st Century.

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