Study explores a nearby narrow-line Seyfert 1 galaxy

An international team of astronomers has conducted a long-term multiwavelength monitoring campaign of a nearby narrow-line Seyfert 1 galaxy known as SDSS J164100.10+345452.7. Results of the observations, published March 9 ...

Galaxy changes classification as jet changes direction

A team of international astronomers have discovered a galaxy that has changed classification due to unique activity within its core. The galaxy, named PBC J2333.9-2343, was previously classified as a radio galaxy, but the ...

Remarkable squirting mussels captured on film

Cambridge researchers have observed a highly unusual behavior in the endangered freshwater mussel, Unio crassus. In spring, female mussels were seen moving to the water's edge and anchoring into the riverbed, with their back ...

Why much of Northeast US experiences 'snow drought'

Winter is more than halfway over and many large cities in the Northeast have yet to see their first snow. New York has gone 300 days without substantial snowfall accumulation. Philadelphia, which usually has its first measurable ...

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