Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws. For a long time, scientists believed the first humans to arrive in ...
But high-speed cameras show us what makes these birds perfect flying machines. A captive Anna’s hummingbird feeds while hovering before an optical illusion in a reenactment of an experiment that ...
In our news wrap Wednesday, at least 38 are dead after an Azerbaijan Airlines flight crashed in Kazakhstan, Ukraine says Russia launched an extensive missile and drone attack on the country’s energy ...