Science can explain why it’s so hard to lose weight and keep it off — and the results don’t support dieting. Try these strategies instead. ...read more

Homo sapiens have always been on the move. But the traditional out-of-Africa story explains that H. sapiens evolved in Africa and then migrated in a wave to colonize the rest of the world. What sparked this exodus? ...read more

Lava can take many forms, all based on what is in it. Three volcanoes are currently showcasing different varieties of lava in spectacular fashion. ...read more

Should you opt for ceramic, cast iron, nonstick, or something else? Here's a guide to choosing pots and pans that will get the job done — and clear up concerns you might have about what they're made of. ...read more

Extremophiles grown under a starlight simulator suggest that exoplanets orbiting red dwarf stars may have conditions ripe for photosynthesis, say researchers. ...read more

Magnetars are the most magnetic objects in the universe, and they should be relatively common. Yet, astronomers have had a hard time studying them. ...read more

It seems that animals dream, based on similar sleep patterns in humans. But, this dreaming may be different than ours. ...read more

A bold NIH program promises groundbreaking insights into some of the nation’s deadliest diseases. Researchers want hundreds of thousands of volunteers to get involved. ...read more

Exercise, cannabis use and antidepressants all seem to influence the bacteria in your gut. Scientists are evaluating how these factors affect your overall health. ...read more

This question is at the heart of the biggest mysteries surrounding Teotihuacan's towering monument. ...read more