In about 5 billion years, our Sun will run out of fuel and expand, possibly engulfing Earth. These end stages of a star's life can be utterly ...

The researchers sent the molecules into the X-ray laser beam using a fine gas nozzle, which means that only single, isolated molecules are irradiated at a time. An additional UV pulse, irradiated ...

Like ultraviolet radiation and X-rays, gamma rays can kill microorganisms and are used to sterilize food and other objects, such as medical instruments and equipment. Gamma radiation is also a ...