One such object is asteroid (162173) Ryugu, a 1 km-wide near-Earth asteroid believed to have originated in the asteroid belt. However, it has since moved to cross Earth's orbit, located 300 ...

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

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。

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 ...

Hayabusa-2 reached the asteroid Ryugu in June this year after a three-and-a-half-year journey. The 1km-wide space rock known formally as 162173 Ryugu belongs to a particularly primitive type of ...

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 ...

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

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.

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 ...