Robert Rolls

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Ancient Snake Ancestor Gripped Prey With Four Feet

The oldest snake fossil on record looks almost like a modern snake, except for one glaring difference: It has four feet, each with five digits, a new study finds.<p>The roughly 120-million-year-old snake, dubbed <i>Tetrapodophis amplectus</i> (literally, four-legged snake), likely didn't use its feet for …

Envy All Of The Birds With This Stunning Series Of Aerial Photos

If you're a bird ... I'm a bird.<p>"Once you have tasted flight," Leonardo da Vinci once said, "you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return."<p>Leo uttered these poignant words long before the rise of photography, but we …

How Do Fireflies Glow? Mystery Solved After 60 Years

Weird & Wild<p>Scientists have sussed out the chemical secret of these bright summertime beetles—and it may someday improve human health, a new study says.<p>Think of the firefly abdomen like a black box of bioluminescence.<p>For around 60 years, scientists have known what basic ingredients go into the …