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Many analyzing the deal hammered out in Paris say it's way better than no plan at all. But proof, they warn, will be in the execution of efforts to cap global temperature rise at 2 degrees C or less.

In 1960, all of Chile shook violently for more than 10 minutes. That quake along the western coast of South America was so big, it changed the way people see the world.

A new study tries to find out what happens when girls in the developing world are on their period. And it's complicated.

While author Brad Warner's approach to 13th-century Japanese Zen master Eihei Dogen may be unorthodox, its freshness might be exactly what the doctor ordered, says Adam Frank.

Teenagers are having less sex and getting better about using contraceptives, a survey finds. Economic hard times also make it less likely that teens will want to become parents so early in life.

The tobacco industry played an influential role in the funding and popularization of stress research. A vast document archive details the relationships between cigarette makers and key scientists.

The Pitch Perfect star started acting when she was 6. Back then, she says, she likely just did it for the attention. "Then it sort of transformed into something that was really meaningful for me."

McPherson, the first African-American to win the Pulitzer Prize for fiction, has died at 72. His work explored the intersection of white and black lives with deftness, subtlety and wry humor.

A leader of the maker movement talks about how building stuff can help students, teachers, schools and parents be more creative.

In mice, monkeys and people, exercise releases a protein called cathepsin B. And as blood and brain levels of this protein rise, memory gets better. But the protein has a dark side, too.