For those still scratching their heads after watching Goofy dance around on a Macy's Thanksgiving Day Parade float, wondering, "what even is that thing," his longtime voice actor has weighed in.

In the penultimate episode of Crash Course Zoology, we use everything we’ve learned so far to try and figure out what a “species” even is anyway! As you’ll see, the incredible diversity of ...

Dr. Dufresnes’s method for finding new species takes a lot of work in the field. Other researchers have looked for more efficient ways to identify species. One popular method is to sequence DNA ...