Some animals prefer to hide by becoming invisible. Discover more about animals you can actually see right through.

The Nashville Zoo’s okapi ambassador helps raise awareness for conservation and World Okapi Day. Learn more about this ...

Nature’s full of illusionists, and they’re not all hiding in plain sight by accident. Across the animal kingdom, creatures ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality.

The Nigerian man described being roused with other detainees in September in the middle of the night. U.S. Immigration and ...

Animals used in research aren’t just hidden from sight. They’re objectified, or “de-animalized,” as Melanie D.G. Kaplan ...

Long thought extinct, a 750-limbed creature has been found near Silicon Valley—and this millipede's got claws and even its own "clothing." ...

The Banhine National Park in Mozambique was a wildlife haven 50 years ago. Then, it was nearly stripped bare by decades of ...

Prioritizing which animals and plants to help is driven mostly by whether we like them or not. Some experts say that may not ...