The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

As Nasa prepares for sending humans to the Moon and then on to Mars, four analog astronauts began a year-long simulated Mars mission at Nasa's Johnson Space Centre on October 19, 2025. They stepped ...

Human missions to Mars are becoming a more serious possibility, and the question of how people will cope with life so far from Earth has never felt more pressing. When four volunteers stepped into ...