Proxima b is very promising. It orbits a red dwarf star called Proxima Centauri in a system with three stars in it. Proxima Centauri is small. It only has between 7.5% and 50% of our Sun’s mass.

Solar sails may become one of the most revolutionary propulsion systems ever developed. Instead of fuel, these spacecraft use the pressure of light itself to accelerate across space. Experiments by ...

The rocky planet circling the closest star to the sun got hammered by a superpowerful flare last year, a new study reports. That's a bit of bad news for anyone hoping that the alien world, known as ...

Four centuries from launch, a vast spacecraft could deliver thousands of people to a world orbiting the nearest star. The concept, called Chrysalis, is designed for one purpose — to take humanity to ...

Add Yahoo as a preferred source to see more of our stories on Google. Peering deep into the heart of our Milky Way galaxy, NASA's Hubble Space Telescope reveals a rich tapestry of more than half a ...

UK-based distributor Espresso Media International has picked up worldwide sales rights to the two-part futuristic science doc ...