A different kind of immigrant problem

The Harlequin ladybeetle, Japanese knotweed and the American lobster – while this trio of creatures may have friendly sounding names, they are all introduced species in Norway, and may be anything but friendly to the ...

Mystery hummingbird's species identified

A mystery that puzzled Chicago-area birders was solved when Field Museum scientists identified the unusual hummingbird living in an Oak Park, Ill., yard as a member of the rufous species rarely seen in the Midwest.

New light shed on chromosome fragility

Why are certain chromosome regions prone to breakages? The answer is crucial, as this fragility is involved in the development of tumors. A team from the Institut de Génétique et de Biologie Moleculaire et Cellulaire ...

GOP wins battle of the bulb

Congress has dodged a government shutdown, agreeing to a $1 trillion spending bill that features a variety of rare compromises. Both Democrats and Republicans won some concessions, and it's too early to say who came out on ...

Twin probes to circle moon to study gravity field

The moon has come a long way since Galileo first peered at it through a telescope. Unmanned probes have circled around it and landed on its surface. Twelve American astronauts have walked on it. And lunar rocks and soil have ...

Sunlight and bunker oil a fatal combination for Pacific herring

The 2007 Cosco Busan disaster, which spilled 54,000 gallons of oil into the San Francisco Bay, had an unexpectedly lethal impact on embryonic fish, devastating a commercially and ecologically important species for nearly ...

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