Killer whales, also known as orcas, may be two distinct species ... the stranded orcas were an example of strange mutations within a single family group, or a distinct type of killer whale.

Optical illusions are visual misinterpretations and a great brain game. This optical illusion challenge is a fun opportunity ...

This is an image of the Big Bird lineage, which arose through the breeding of two distinct parent species ... This is the first example of speciation that scientists have been able to observe ...

They show, for example, that the Caribbean islands were populated in two distinct waves from the mainland ... large-scale genetic study in July. Image A honed stone ax from an archaeological ...

Illustrator's Blend tool allows you to combine two distinct objects or images into one object, creating a multi-layered transformation effect that can help you to catch your audience's eye.

New color images from NASA’s New Horizons spacecraft show two very different faces of the mysterious dwarf planet, one with a series of intriguing spots along the equator that are evenly spaced.