NASA astronauts Butch Wilmore and Sunita Williams face potential long-term health issues after a nine-month space mission.

A new study of decades worth of seismogram data shows that the surface of Earth’s iron and nickel core is more malleable than ...

Spirit Lake "had a smaller footprint that consisted of west and east arms connected by a narrow span of water — similar in shape to the top half of a heart," according to NASA's Earth Observatory.

Earth has a variety of islands and bodies of water that resemble a heart. ESA takes you on a tour. Credit: ESA Voletta Wallace, Notorious B.I.G.'s mother and keeper of his legacy, dies at 78 New ...

As Sunita Williams and Barry Wilmore are expected to return on March 19/20, a lot is being discussed about their health as ...

36,279 people played the daily Crossword recently. Can you solve it faster than others?36,279 people played the daily Crossword recently. Can you solve it faster than others?