"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 ...

Last year, researchers excitedly announced that they had found two organic compounds essential for living organisms in ...

Samples taken from the space-returned piece of asteroid Ryugu were collected and prepared under strict anti-contamination ...