Two Russian cosmonauts are back inside the International Space Station after conducting a spacewalk to install a semiconductor materials experiment, as well as retrieve and jettison a no-longer-needed ...

Running for nearly a century, this quiet experiment proves a “solid” can flow, drop by drop, while generations of scientists ...

NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) just notched a big milestone. MRO's HiRISE ("High Resolution Imaging Science Experiment") camera has now snapped 100,000 photos of the surface of ...

Humanity probably isn’t on the cusp of a nuclear fusion revolution just yet. But along the way, we are getting some peeks at mind-blowing fusion experiments, so what’s the big rush? We submit this new ...