Japan's mission to Mars is one of the most ambitious in spaceflight history. It aims to become the first spacecraft to return to Earth from Mars orbit, carrying with it the first-ever samples from the ...

NASA's Hubble Space Telescope captures the glittering spiral galaxy NGC 6951, where a central bar fuels a spectacular ring of newborn stars.

This is not the first time that researchers have studied plants in space. In fact, ISS astronauts have conducted a wide variety of plant experiments and investigations over the years. They've grown ...