The tiny pantheon known as the Asgard archaea bear traits that hint at how plants, animals and fungi emerged on Earth.

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer space. This idea suggests that prebiotic molecules—the building blocks of ...

How can animate life be formed from inanimate matter? It’s one of the most fascinating enigmas in science because, without this crucial first step, called abiogenesis, there would be no life on Earth.

For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required ...

Given the seeming paucity of moisture in the leftover remains of Earth's building blocks, planetary scientists have long assumed our planet's water supply came after it formed in a rain of ...

A new study reveals that the asteroid 2024 PT5, which has been orbiting Earth for 2 months, may have a "lunar origin." However, it is about to break free from our planet, making it tricky to tell for ...