Ancient teeth suggest humans were using psychoactive betel nuts 25,000 years ago, pushing the history of habitual drug use ...

“Solid tumors are very diverse,” Zhu said. “Some tumor cells lose or hide the antigen a therapy is designed to find — what we ...

Across wavelengths from 365 to 455 nanometers, the model found that the required absorption was especially strong near the ...

Iguanodontians were widespread plant-eating dinosaurs that lived from the Late Jurassic through the Late Cretaceous. Their ...

The Arctic’s frozen ground holds an enormous reservoir of organic carbon. As permafrost thaws and coastlines erode, some of ...

Some of the healthiest foods may quietly fuel gut inflammation in people with inflammatory bowel disease (IBD).

Credit: Shutterstock A familiar diabetes pill could hold the power to slow the biological forces that leave the body ...

The universe is still speeding up, scientists say, keeping dark energy and its mysterious role in cosmic expansion firmly in play. Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab / ...

Sil began by comparing lactoferrin gene sequences from living species such as humans and cows. Using their evolutionary ...

When massive stars die, some end in supernova explosions that scatter newly forged material through space. Traces of those ancient blasts can eventually settle on nearby worlds, and a new study led by ...

The Hall effect has been an important tool in physics for more than a century. In 1879, Edwin Hall discovered that when a magnetic field is applied perpendicular to a material carrying an electric ...

Mice bred to be unusually athletic might be expected to pay a biological price, perhaps by living shorter lives or producing ...