Evolution

The remora clings to other fish—and appears to use an unusual sense of touch to do so. Christopher Intagliata reports. 

Ancient drought and unfortunate bathroom habits may have doomed some ice age sloths

Soil bacteria may have taken residence in early algal species, gifting the algae with the ability to withstand drier conditions on land. Annie Sneed reports.

Hunted areas of Gabon have fewer large mammals and a thicker forest understory—but they also have fewer termites. Jason G. Goldman reports.

The starfish relatives can recognize patterns using photoreceptors on their arms—and their color-changing abilities could have something to do with it. Christopher Intagliata reports.

Smell was certainly an important part of dinosaur life. What do we know about it?

Scientists observed two Atlantic puffins using sticks to scratch themselves—the first known instance of seabirds using tools. Christopher Intagliata reports. 

A Chinese court sent a strong signal by punishing He Jiankui and two colleagues

In South Africa archaeologists found the charred remains of a roasted root vegetable. Christopher Intagliata reports.

Envisioning the Jurassic world requires a lot of fossil detective work

Alpine harvestmen live where, long ago, glaciers stretched south 

A study of whale feeding habits found that food is the main limit to the size of ocean giants