outer space

The world we know is not infinite. Many people wonder, if the universe is finite, then it must be part of something.

Astronomers previously believed that the universe was infinite, but Einstein's theory of general relativity showed that our universe does have a boundary, but this boundary lies in

Rather than being overwhelmed or excited, the emotion of astronauts in space is often fear.

On the occasion of Hubble's 30th anniversary, NASA created what did Hubble see on your birthday? allow anyone to be able to see the images of the universe on its birthday.

The base will create a perfect self-sufficient environment. The climate will always be stable: no rain, no storm, not too hot or too cold. And certainly, they all want to live

Why in a lonely, stressful and frightening place like space, astronauts can't relax with alcohol?

NASA's twin astronaut studies yield remarkable results, National Geographic reported on March 15.

According to Newsweek, when working in outer space, astronauts face danger and experience very high mental challenges.

According to The Sun, Jupiter's moon Europa is home to a cold, harsh climate, but life can also exist.

The object named K2-3d is 150 million light-years away from Earth and is likely to exist in life.