New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...

Analysis of samples brought back to Earth from the asteroid Bennu reveal that it has a bizarre chemical make-up and is ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

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Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...

Bulgarian spy ring a ‘treasure trove’ of evidence about Vladimir Putin’s espionage operations in the West Gene Hackman died ...

The Texas Senate on Thursday passed a measure that would establish a state-controlled cryptocurrency reserve. The move comes ...

古代有些场合下，大家默许一贯（千钱）、一陌（百钱）可以不足额。这种行为最早是民间约定俗成的，后来慢慢得到官方许可，因为朝廷也知道这事避免不了。中唐时期，唐穆宗就专门针对民间随意短陌、交易混乱的情况下敕： ...

Nobody knows how life began on Earth, but some tantalizing clues from an asteroid suggest it might not have started here.

传世古代文献这种东西，中西情况很类似。都是现存完整可读的实物不会太古老，一般出自中古时代或更晚；出土文本有比较老的，但不多，有些重要著作还找不到出土文本。不存在网上某些人常说的“双标”。

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking ...