Jawbone fragments and teeth from a previously unknown species hint that the evolution of modern apes occurred in what's now ...

From color-changing skin to jet-propelled motion, squid and cuttlefish have long fascinated scientists. To understand the ...

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to adapt to several new challenges to life out of water. So, how did they do ...

Sitting in my campsite at Goblin Valley State Park, I saw an antelope ground squirrel standing erect on its back feet, which I found amusing. I soon found that this was a common posture evoked by ...