The itty-bitty shrimp shares more than a feature or two with the protagonist of J.R.R. Tolkien's 1937 children's fantasy novel.
You can interpret the image as either one of these animals or the other, but not both at the same time.
The long-extinct sea predator flourished during the middle Cambrian period about 508 million years ago.
Scientists have converted a bunch of microbes into what they've dubbed the "world's smallest tape recorder."
The bustling octopus community of "Octlantis" belies conventionally held notions of the cephalopods, once thought to be solitary and asocial.
Anyone who has experienced the euphoric "runner's high" that follows a satisfying workout will likely attest to a connection between physical activity and mental health.
Being overweight or obese increases a person's risk for at least 13 types of cancer, according to a new report.
In honor of the birth of American independence, here are U.S. presidents who have been immortalized in "life's filing system."
From inefficient grids, shortfalls in policy, and even an eclipse, solar-energy collection faces no shortage of hurdles. Scientists have discovered another stumbling block: air pollution.
From Star Wars characters Wookies to the sarlacc in the Pit of Carkoon, here are 10 creatures you might recognize in the here and now.
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