日本「隼鸟2号」（Hayabusa 2）探索任务带回地球的「龙宫」小行星（162173 Ryugu）样本，被发现送到地球后就充满了地球生命体。研究人员指出，这表明地球微生物惊人的殖民能力，甚至连外星物质也被征服。

In June 2018, Japan's Hayabusa 2 mission reached asteroid 162173 Ryugu. It studied the asteroid for about 15 months, ...

The Japanese space agency has set dates for its historic plan to explore the surface of an asteroid with robots. The Hayabusa-2 spacecraft reached the asteroid Ryugu in June this year after a ...

Microscope image of one of the small fragments of asteroid 162173 Ryugu studied by scientists at the Advanced Photon Source. This fragment is roughly 400 microns in diameter, or about the width of ...

Asteroids are remnants of the formation of our solar system, and while many can be found within the asteroid belt between the ...

Despite their best efforts, the team discovered "rods and filaments of organic matter, which are interpreted as filamentous microorganisms, on a space-returned sample from 162173 Ryugu recovered ...

Imperial College London scientists say microbes on asteroid samples from Japan's Hayabusa 2 mission have down to Earth ...

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

Researchers studied tiny asteroid fragments from Ryugu, revealing that it originated in the outer solar system and evolved ...