DNA is spelled out with four letters, or bases. Researchers have now built a system with eight. It may hold clues to the potential for life elsewhere in the universe and could also expand our capacity to store digital data on Earth

The Pentagon and federal intelligence agencies have said that climate change is a threat. Now, the White House is planning a panel to study whether that is true.

Tomorrow’s Nobel prizes are won today off-season and in the back office.

A new study finds that small teams of researchers do more innovative work than large teams do.

The last documented sighting of the animals on the continent was in Ethiopia in 1909. But now they’ve been spotted in Kenya.

He shared the 1967 prize for finding a way to time “immeasurably fast” chemical reactions. His research advanced the study of enzymes, among other things.

The task force of experts recommended at-risk women seek certain types of counseling, and it cited two specific programs that have been particularly effective.

More scientists are using video footage in the course of their research on everything from battling hummingbirds to the physics of popcorn. In our ScienceTake series, we bring that footage to Times readers.

A yearlong, randomized trial in England showed that e-cigarettes were almost twice as successful as products like patches or gum for smoking cessation.

Sleep deprivation can make your physical aches more painful. A new study begins to explain how that happens.