Only 12 astronauts have walked on the moon. Discover who they are, which Apollo missions took them there, and when humans ...

In 1975, a meet-up between American and Soviet spacefarers in orbit showed that the superpowers could work together. Its ...

DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide (13 m).

Have you ever wondered why we always see the same side of the Moon, no matter where we are on Earth? While the Moon appears ...

As more satellites launch into space, the satellite industry has sounded the alarm about the danger of collisions in low ...

"It is incredible that modern telescopic surveys have the ability to detect such small objects up to millions of kilometers ...

I knew I was alone,” he observed later, “in a way that no earthling has ever been before.” That quote is immortalized on a ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Some 140 miles above France, American astronauts opened a spacecraft hatch and found themselves face to face with cosmonauts ...

Although it’s been 52 years since the Apollo 11 mission first took man to the moon and 30 years since Tom Hanks famously told ...

Earth may briefly capture as many as six moon fragments — called minimoons — at any given time before they move on to orbit ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.