Using the most powerful laser system ever built, a solid-gold cylinder, and a BB-size fuel pellet, scientists have brought us one step closer to nuclear fusion power, a new study says.
At last the Antarctic ozone hole is repairing itself, but ironically the healing process will hasten global warming in the southern hemisphere, a new study shows.
After more than six years touring the red planet, the Mars rover Spirit is no longer on a roll, NASA mission managers announced. But if the rover survives the oncoming winter, there’s plenty of science that can be done.