What’s bigger than a blue whale? Smaller than a virus? At the extremes and everywhere in between, life shows ingenious design.
So-called “fairy circles” yielded to a natural explanation, according to a research team: they are abandoned termite mounds. Now, however, another natural theory is rising.
The largest animals that ever lived defy simple evolutionary stories.
How animals travel thousands of miles to destinations they have never seen continues to baffle scientists.