NASA officials plan to take down the International Space Station at the end of 2030. They are collaborating with private industries, which will develop its replacement.
A robotic assistant recently arrived at the International Space Station to perform a simulated surgery that will be controlled by a surgeon 250 miles away on Earth.
The crew of four commercial astronauts flew to the International Space Station last month on a SpaceX rocket and capsule. Their time in space was extended several days due to poor weather off Florida.
The space rock is believed to be about the size of the Empire State Building. It is supposed to pass within 1.7 million miles of Earth. For comparison the moon is about 240,000 miles away.
After almost three years on the Red Planet and 72 flights into the thin Martian atmosphere, NASA's Ingenuity Mars helicopter is ending its mission due to a broken rotor blade.
Penzias, with his colleague Robert Woodrow Wilson, discovered the cosmic microwave background while working at Bell Labs in the 1960s. The finding was the smoking gun evidence for the Big Bang.
NPR's Ari Shapiro talks with NASA astronaut Frank Rubio, who holds the U.S. record for longest space flight, about his unexpectedly long stay aboard the International Space Station.