Roughly 400 million years ago, when Earth’s continents were only beginning to host simple ecosystems, a towering organism rose above the low vegetation of the early Devonian landscape. Long before ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to adapt to several new challenges to life out of water. So, how did they do ...

Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like organisms that looked like something from science fiction. Around 400 ...