repair

Astronaut walking in space
Two astronauts walked outside the International Space Station (ISS) to remove a urine container and install a replacement bottle.
Atlantis returned to Earth safely
The Atlantis spacecraft landed yesterday in a parking lot in California, USA, after successfully performing the mission to upgrade the Hubble telescope in orbit.
Close up to fix telescope in space
The Atlantis ship astronauts are carrying out five space walks to repair and upgrade Hubble glasses on a height of 610 km from the earth.
Hubble Space Telescope is reborn
Astronauts have just completed the Hubble Space Telescope repair work and made it much more powerful and efficient than before.
Day 11.5: Beginning Hubble glass repair mission
On April 25, NASA's American Aeronautics and Space Administration made an official announcement on its website about the Atlantis launch date ...
How can the DNA recovery system replicate chromosomes?
Researchers have recently discovered that chromosomal fractures can bind together to alter chromosomes while simultaneously generating new species.