This is undoubtedly a proud moment for crows and the humans who were testing them. Cognitive neurobiologist at the University ...

Paleontologists have discovered fossils of a 506 million-year-old tiny three-eyed predator nicknamed the “sea moth,” ...

but a famous lyric from one of the songs serves as the title of today’s puzzle. Each starred answer ends with the name of a group of animals, and right after it in the adjacent Across entry is ...

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral ... evolved in ecdysozoan animals, a group that includes insects, nematodes ...