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

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。

Snapping a series of pictures that revealed the asteroid’s shape. The asteroid of choice was 162173 Ryugu, or Ryugu for short. In Japanese it refers to a magical, underwater Dragon Palace.

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 ...

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

The 900m-wide space rock known formally as 162173 Ryugu belongs to a particularly primitive type of asteroid. It is thought to be a relic left over from the early days of our Solar System ...

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

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

Scientists used sterilized tools, themselves stored under nitrogen. Despite their best efforts, the team discovered "rods and filaments of organic matter, which are interpreted as filamentous ...

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