Imagine that, for billions of years, you're a grain of material unbothered on asteroid Ryugu. All of a sudden, a spacecraft ...

See multiple views from the Hayabusa2 spacecraft's touching down on asteroid 162173 Ryugu. Credit: JAXA/U. Tokyo/Kochi ...

A recent discovery made by scientists working with a sample of rock from outer space highlights one of the huge challenges ...

"The fact that terrestrial microbes are the Earth's best colonizers means we can never completely discount terrestrial ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...