Scientists have proposed a shocking new theory for the origin of the moon, and their calculations suggest Earth once had a secret world hiding right next door. Astronomers believe that the moon was ...

Learning about the past is usually easier than predicting the future, but deciphering the earliest history of life on Earth seems to be an exception to the rule. Of course, we're not entirely in the ...

The emergence of the first biopolymers and their building blocks on the early Earth is considered a key moment in the origin of life (OoL), but how life began on the prebiotic Earth from a pile of ...

Two perplexing structures deep inside Earth might be ancient remnants of our early planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Two ...

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We often wonder whether there are aliens on other planets but what if we ourselves are aliens on the planet we call home? Panspermia, the “controversial” theory that life “began elsewhere in space” ...

Manganese dioxide can convert amino acids into hydrogen cyanide (HCN) without requiring methane, solving a long-standing puzzle about the origin of this key prebiotic molecule on early Earth, as ...

Earth’s Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists. During earlier and later time periods, tectonic plates kept a steady ...

In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...

Now, a study on lunar samples from China's Chang'e 6 mission is challenging conventional theories about this cosmic process. By analyzing tiny metal grains in lunar soil, Chinese scientists have ...