Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers inhibited a ...

1. Introduction to the morphology, development, and ecology of feathers -- 2. Molecular and cellular mechanisms of feather development provide a basis for diverse evolution of feather forms -- 3. The ...

Some feathered dinosaurs may have briefly taken to the skies—only to give it up later. By studying rare fossils with ...

Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been widely debated, paleontological discoveries and developmental biology studies ...

In a new study, researchers inhibited a gene during embryonic development to make chicken feathers more primitive, like the kind of simple tube-shaped proto-feathers that likely first emerged in the ...

提起鸟类，你脑海中会浮现怎样的画面？是展翅高飞的雄鹰，还是城市公园中随处可见的麻雀？还有些了解古生物的人会立刻联想到——恐龙。没错，基于化石材料和系统分类学，鸟类正是恐龙总目（Dinosauria）、蜥臀目、兽脚亚目的分支。并且，一些兽脚亚目恐龙也和鸟一样长有羽毛。不过，与现代鸟类的羽毛相比，这些恐龙的羽毛形态更加多样：有些类似头发、鸡鸭的绒羽，有些则是片状 ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...