Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...

Coral larvae reduce their metabolism and increase nitrogen uptake to resist bleaching in high temperatures, according to a new study.

A subway commuter who helped an ex-Marine restrain an agitated man aboard a Manhattan subway last year testified Tuesday that he tried to convince the veteran to loosen his grip around the man's neck.