A Chihuahua struts during a Halloween dog show, a vendor strings marigolds for a Hindu festival, and more in our weekly update of culture photos.

The auction in Namibia sold tons of tusks to Asian bidders Tuesday, raising money for elephant conservation. Some conservationists worry such sales will encourage poachers.

In a twist worthy of a Halloween horror movie, Siberian moths have acquired a taste for blood, and scientists believe they're seeing evolution in action. With video.

Salt-deprived animals and insects living far inland from some coasts may benefit if global warming increases hurricane intensity, a new study suggests.

Faint electrical signals in Titan's smoggy atmosphere suggest the moon has lightning, which some experts believe helped life form on Earth.

Made infamous by recent gorilla murders, a Congo refuge is seeing its endangered apes?and thousands of humans?under increased threat as rebels storm Virunga National Park.

Ancient copper mines in Jordan were productive when the Bible says Solomon built Jerusalem's first temple, according to a new study.

A Chihuahua struts during a Halloween dog show, a vendor strings marigolds for a Hindu festival, and more in our weekly update of culture photos.

Permanent servants who lived at the royal estate were brought there from many parts of the Inca Empire, according to a new study of bodies found at the site.

Just in time for Halloween, bloodsucking moths have been found in Siberia?evidence of evolution at work, scientists say.