Salmon runs boom, go bust over centuries

Salmon runs are notoriously variable: strong one year, and weak the next. New research shows that the same may be true from one century to the next.

Arctic town eyes future as Europe's gateway to space

Sweden's small Arctic town of Kiruna has a surprisingly international airport with regular flights to London and Tokyo, but it has even bigger plans: to offer commercial space flights.

Chicago skyscrapers go green, slash energy costs

Chicago's skyline is going green, as property managers install energy efficient tools like motion-detectors on office lights, in a project officials hope will inspire changes across the United States.

Competing to create a more energy-efficient air conditioner

A University of California, Davis, challenge to build more energy efficient air conditioning has spurred a major global manufacturer to build a rooftop air conditioner that is 40 percent more energy-efficient than conventional ...

Hypergravity helping aircraft fly further

(Phys.org)—ESA research has helped to develop an aircraft-grade alloy that is twice as light as conventional nickel superalloys while offering equally good properties. The path to creating this alloy required research under ...

Could plasma jet thrusters 'kickstart' interplanetary travel?

A great offshoot from commercial space companies getting a foothold in real missions to orbit is that the old entrepreneurial space spirit seems to have been revived. People are attempting to develop and build what could ...

Ancient DNA sheds light on Arctic whale mysteries

Scientists from the Wildlife Conservation Society, the American Museum of Natural History, City University of New York, and other organizations have published the first range-wide genetic analysis of the bowhead whale using ...

page 23 from 40