Looking at a rainforest from high in the sky, you might think all the trees look about the same. But…
Astronaut Scott Kelly launched into space on a one-year mission to the International Space Station (ISS) in 2015. He was…
Heart transplant surgery is a common medical treatment in the United States. Some doctors are skilled at removing the heart…
Israel, a sunny country along the Mediterranean Sea, is a perfect place for solar power. Even so, solar power supplies…
Smog is a health concern in many areas, such as China's capital. Beijing started the New Year with heavy smog hanging…
Liver cancer is the sixth most common cancer in the world, and now researchers are developing new forms of treatment.…
China wants to develop "strength and size" in its space program, a China National Space Administration official said last week.…
Pictures of the planet Mars show a rocky, lifeless scene. It is hard to imagine plants or animals could ever…
The number of giraffes has dropped by as much as 40 percent since the 1980s, says a new report on…
When astronauts go to the planet Mars years from now, they will need the right food to stay strong and…