TARS, named after the robot from the 2014 film "Interstellar," could potentially be a way to travel to other stars. TARS requires no fusion reactors, no gigawatt laser — and not even a chemical rocket ...

All over the world, countries are competing among themselves in the construction of renewable energy sources. In addition to ...

Australia is preparing to build the world's most powerful solar power plant. Engineers and builders will have to solve complex problems to cover an area equal to 17 thousand football fields that ...