Cyanobacteria use photosynthesis to create oxygen.
The Curiosity rover has discovered organic matter that points to the possibility something living existed there.
Due to Venus' harsh environment, human beings cannot step foot on the planet.
Podcast: An interview on the future of space exploration with Ellen Stofan, Honorary Professor at the Hazard Research Centre at University College London.
NASA is launching TESS, a new satellite designed to find and analyse nearby exoplanets.
The ISS's days are numbered, but what will replace it and what will its legacy be?
More than half-a-million pieces of space junk orbit the Earth, and the threat this debris poses to critical satellite infrastructure and future missions is growing.
There are fears that international cooperation will be lost as space travel enters a new era.
During his life, Stephen Hawking offered a lot of wisdom and insight on the direction humanity was heading.
The founder of SpaceX sees humanity's future in the stars and hopes to send 1 million people to live on the red planet.
Tiangong-1 - or Heavenly Palace - was superseded in 2016.
A signal that's out of this world.
Despite what Hollywood would have us think, a study suggests we'd have a positive reaction to visitors from another planet.
Artificial intelligence systems that were developed to prepare astronauts for space are now being employed to solve crimes.
Researchers have proposed using lasers to destroy potentially dangerous space debris.