Along with launching two NASA probes, the SpaceX Falcon 9 rocket carried five other satellites into orbit with goals ranging ...

With its relatively long half-life of 432 years and more accessible production routes, americium-241 presents a compelling ...

Earth, Astronaut Nichole Ayers is fulfilling a life-long dream. Ayers has been aboard the International Space Station since ...

More than six decades after Jack Kirby and Stan Lee created a superhero team to rival the Justice League, the Fantastic Four ...