The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other ...

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...

Terror birds were apex predators some 12 million years ago in South America. A newly published discovery could be the largest ...

The fossil of a massive predator called a terror bird that roamed South America 12 million years ago is from the largest ...

In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link ...

骇鸟（Phorusrhacidae） 骇鸟也是一个科，包含多个属的巨型食肉鸟类，比加斯顿鸟要出现得晚一些，生活在5000万至几十万年前的美洲。它们不单名字 ...

Evolutionary biologists report they have analyzed a fossil of an extinct giant meat-eating bird -- which they say could be the largest known member of its kind -- providing new information about ...

Nov. 7, 2024 — Scientists have created a robot that can learn tasks like cleaning a washbasin just by watching humans. A special sponge with sensors is used to show the robot how to clean. Using ...

Another Trump term could spur Europe’s efforts to stand on its own, but it is far from clear its leaders will seize the moment this time. By Steven Erlanger Beijing is expecting more ...