While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

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O rcas are easily recognized by their jet-black bodies punctuated with striking white markings, most notably the “eye patch” ...

In a land where rain rarely falls and the desert stretches to the sea, a penguin once waddled into the imagination of an ...

Whether you're clocking up miles on foot, on wheels or by paddle, these unique active travel experiences promise fresh air, ...

Welcome to Smartphone Picture of the Week! Each week, we select and share your best smartphone photos in an online feature ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.

This painted penguin pot is in the collection of the Art Institute of Chicago. It was made about 1,600 years ago and was collected in Peru in the late 19th century. The multicolored ceramic vessel is ...

Long-lost 1960s aerial photos let Copenhagen researchers watch Antarctica’s Wordie Ice Shelf crumble in slow motion. By ...