Rising levels of carbon dioxide in the atmosphere are leaking out to the edge of space and interfering with satellites, new research shows.
Scottish engineers have come up with a new way of dealing with asteroids that threaten the Earth - firing lasers at them from a swarm of small satellites flying in formation.
A recently published report warns that space junk poses a clear and present danger to orbiting satellites and the International Space Station (ISS).
A house-sized asteroid is set to miss Earth by a whisker later today, passing just 7,600 miles above the surface.
Japan's space agency, JAXA, is reportedly working on a device to catch space junk - in collaboration with a fishing net company.
Yesterday, NASA for the first time successfully ejected a nanosatellite from a free-flying microsatellite, marking a big step forward for efforts to clear space junk using solar sails.
An Australian company is to build the world's first automated laser system to track dangerous space junk.