For nearly a year, American astronaut Scott Kelly has been living and working at the International Space Station (ISS), with no running water.
The English rock band Pink Floyd released the album Dark Side of the Moon in 1973.
A new phone app uses vibrations from smartphones to alert people about earthquakes.
It took 100 years, but finally, scientists proved Albert Einstein’s theory that gravitational waves exist.
Indian officials say they believe a meteorite killed a man on Sunday in the southern state of Tamil Nadu.
Olson’s company is called 3D Photoworks.
According to NASA, the asteroid has no chance of hitting Earth.
One of the major ways we get sick is we touch surfaces out in the world, many made of metal or plastic.
Scientists said they have found evidence of a giant planet far out in our solar system.
British scientists say they have found the oldest known evidence of war.