Japan launched the Hayabusa2 spacecraft on a mission to fetch a sample from an asteroid. The asteroid is named 162173 Ryugu, but it's also known as 1999 JU3. Hayabusa2 lifted off from the Tanegashima ...

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

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

The salt crystals, consisting of rock salt, sodium carbonate, and sodium sulfate, are crucial for understanding the evolution ...

尽管科学家们在无尘室环境的创建上付出了巨大的努力，但似乎仍然无法完全阻止微生物的潜伏与入侵。这一事件不仅让人们对太空探索的纯净性产生了质疑，也引发了对于未来太空任务中如何有效防止污染问题的深入思考。更糟糕的是，有专家担忧，某些地球微生物可能已经通过之 ...

这份样本已不太能提供任何与龙宫小行星有关的资讯，研究人员对此强调，地球微生物具备令人难以置信的适应性，它们似乎可迅速消化来自任何星球的有机物质，也说明任何太空任务都有机会污染其他星球环境。

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。

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