“I’m just really proud of our species,” metrologist Jon Pratt said.

Astronomers have discovered signs of a frozen exoplanet orbiting the closest single star to our solar system.

Scientists have observed animals during eclipses for centuries, but the 2017 event offered the most sophisticated insights yet.

Rep. Eddie Bernice Johnson has a message for scientists: Congress is open and wants to hear from you.

A 40,000-year-old cave painting gives researchers a point in time when our ancestors started to make figurative art.

This year, scientists, doctors and engineers ran for office like never before. Here's how they did.

Mounted heads have a long and public history.

Vote like the interstellar comet is not an alien spacecraft sent to save us from ourselves (because it isn't).

Once in the U.S., immigrants in the study ate foods richer in sugars, fats, and protein. Their microbiomes changed within months of moving, and obesity rates skyrocketed.

Although the subject matter of their extremism may be different, the way in which neo-Nazis, the KKK and members of the Islamic State evolve from merely disgruntled to violently angry is the same.

Research shows that memories for negative experiences are more vivid than those for positive experiences, but that pattern might depend on our age.

The Kepler Space Telescope, NASA's powerhouse planet hunter, is out of fuel at age 9.

Dinosaurs gave birds a molecular kit to paint their eggshells green and brown.

After a Harvard investigation found widespread "false and/or fabricated data" from the laboratory of an influential stem cell researcher, NIH officials are pausing a heart failure trial.

Scientists are developing a better picture of the ways noise harms marine mammals.

Or by blowing into the cartridge.

A prehistoric site in Texas has yielded two new kinds of projectile point -- the power tools of the Pleistocene.

A massive experiment asked millions of people how self-driving cars should swerve -- or not -- in life-threatening moral dilemmas.

An iceberg the size of a college campus broke off a large ice shelf fed by several glaciers in the Antarctic Peninsula.

Researchers filmed Enypniastes eximia, also described as the “headless chicken monster," in the Southern Ocean.

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