By reevaluating a fossil species, researchers have developed a new theory for the lemur colonization of Madagascar.  

Research suggests that the invasive, all-female Procambarus virginalis originated in a German aquarium back in the 1990s.

Nearly four dozen people have died.

Pneumonic plague last month claimed 10 lives in 13 days, the World Health Organization reports.

Alison Jolly, who discovered that females dominate social hierarchy in lemurs, has passed away at age 76.

Two baby ploughshare tortoises born to parents raised in a captive breeding program are discovered in Madagascar, validating the conservation effort.

Researchers are permanently marking endangered reptiles in Madagascar to keep the animals from entering the illegal wildlife trade.Read the full story. [gallery]

Conservationists working in Madagascar are doing the unthinkable—defacing the shells of endangered ploughshare tortoises—but it may be the animals’ last hope.