Our world is dynamic, offering changes and challenges to its living residents. Plant and animal trait variations can help them adapt to certain settings....

The archaic human species Homo erectus has been portrayed as an important ape-to-man transitional link. However, these fossils don’t provide any...

In 1610, Galileo Galilei aimed his telescope at Jupiter and discovered the four largest of the planet’s 95 known moons. He recognized them as...