An elusive tiger that hasn't been spotted in three years reemerged on a trail cam with a surprise: two tiger cubs. The tiger, ...

Tiger Woods’ Nike ball tumbling into the cup on the par-3 16th as he made an incredible chip from behind the green. Leading Chris DiMarco by one, Woods bombed his 8-iron over the back as DiMarco ...

Goliath Beetles are also known for their gorgeous metallic colors, ranging from green to purple to copper ... Goliath Beetle on a log. Image by H. Zell, CC BY-SA 3.0 via Wikimedia Commons Goliath ...

Polar bear (Ursus maritimus) in winter snowstorm. Image via Alexander Leisser, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons ...

One risk is that oversized structures intended to attract the ladies may hinder mobility. But in male flower beetles (Dicronocephalus wallichii), the size of their sexually selected horns and forelegs ...