Developments in satellite technologies and cyber-warfare are threatening the internationally agreed demilitarisation of outer space, according to legal and security experts. Weaknesses in existing treaties
On Monday, the Mars One Project announced that its group of 1,058 finalists for a one-way trip to Mars has been whittled down to 705, based on the results of medical examinations and on personal decisions
Sifting through observations from tens of thousands of distant stars, astronomers say they have discovered the first definitive Earth-sized planet that orbits in a habitable zone where water could exist
Astronomers have recently discovered Kepler-186f, a planet of similar size to the Earth orbiting its star within its so-called "habitable" zone. We ask Dr Giovanna Tinetti from University College London
With the discovery of planets like our own just over the horizon, a new era in the search for life is about to begin. Over the past five years, we've come to realize that in our galaxy planets are everywhere.
Researchers with NASA's Operation IceBridge added three more flights to the books, continuing the campaign's data collection with surveys of major outlet glaciers and elevation across the northern Greenland