Warming ocean layers will undermine polar ice sheets

Warming of the ocean's subsurface layers will melt underwater portions of the Greenland and Antarctic ice sheets faster than previously thought, according to new University of Arizona-led research. Such melting would increase ...

Understanding Spica (Alpha Virginis)

The familiar star Spica (Alpha Virginis) is the fifteenth brightest star in the night sky, in part because it is relatively nearby, only about 250 light-years away. It is easy to find by following the arc of the Big Dipper's ...

The mysterious case of asteroid Oljato's magnetic disturbance

(Phys.org)—Back in the 1980s, the arrival of asteroid 2201 Oljato inside the orbit of Venus heralded a flurry of magnetic activity. Now, results from ESA's Venus Express spacecraft suggest that Oljato has lost its magnetic ...

Tracking new physics—horse or zebra?

If you hear hoof beats, common sense says the cause is more than likely a horse. Yet, the possibility still exists that you're actually hearing a zebra. Physicists at LHCb are applying that same logic to an unusual finding ...

Odds of living a very long life lower than formerly predicted

Research just published by a team of demographers at the social science research organization NORC at the University of Chicago contradicts a long-held belief that the mortality rate of Americans flattens out above age 80.

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