A Florida restaurant receives threats and employees reportedly attacked over controversial taco filling.
From a deformed dolphin taken in by sperm whales to a dog nursing a squirrel—learn why animals sometimes take care of others.
Bee colonies are weaker than ever. Are we doing enough to protect our natural pollinators?
Jewelry heists happen surprisingly often. What's less common is that the perpetrators get caught.
Technological advances may soon allow consumers to print out electronic devices on home printers.
The "Brazilian Atlantis" is just the latest lost land to be discovered.
The last time the planet was such a greenhouse, our ancestors were climbing down from the trees—and sea level was tens of feet higher.
Apollo 11 astronaut Buzz Aldrin says the Red Planet should be humankind's next destination.
Boston bombing suspect Tamerlan Tsarnaev has been buried, following a controversial decision about where to bury a terrorist.
High-speed video shows for the first time how hairs on a bat's tongue stand erect, allowing the animal to mop up nectar.
Whether it's with a telescope or via the Internet, learn how best to see the solar eclipse.
A 3-D printer has now "printed out" a handgun. How does this technology work—and how will it change the future?
As humans set their sights on exploring Mars, a look back at the first seven astronauts.
The search continues for evidence that two French pilots who disappeared in a 1927 attempt to cross the Atlantic made it to North America.
The United States far outranks other industrialized countries in the rate of first-day deaths among newborns, according to a new report. Why?
The Nazi war criminals still alive today are very old men. But efforts to bring them to justice remain in play.
Solar Impulse, a solar-powered aircraft able to fly overnight, embarks on a cross-country trip-without a single drop of fuel.
Controversy swirls anew around whether the Wright brothers were the first aloft, pulling the Smithsonian Institution's reputation into question.
Cemeteries in Massachusetts don't want to bury Tamerlan Tsarnaev on their grounds. The burial places of terrorists are often debated.