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

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

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

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 ...

A small asteroid barreled toward Earth, creating a harmless fireball across the skies above eastern Russia on Tuesday, ...

Radioisotopes in the bones of an 18-month-old boy who lived almost 13,000 years ago indicate that his mother ate mostly ...

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。

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。

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

科技飞速发展的今天，长时间的太空旅行对人类来说依然是非常困难的，除了幽闭的小空间可能会对航天员带来心理损伤之外，航天器有限的载重如何在人员、水、空气以及食物之间取得平衡也是一个很大的问题。航天员的食物从哪里来？如果这些维系生命所必需的物质完全由地球补 ...