The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...

After those samples arrived on Sept. 24, 2023, we got to dive into a tale of rock, ice and water that hints at how life could have formed on Earth. To learn about an asteroid – a rocky or metallic ...

Indeed, scientists have long wondered why land plants did not emerge ... combines with another element to form a salt) prevailed throughout most of Earth's history, which would have led to ...

If Earth's first continents formed by subduction, that meant that continents started moving between 3.6 to 4 billion years ago—as little as 500 million years into the planet's existence.

Water, one of the essential ingredients for life on Earth, did not appear on the planet until after the moon-forming event, a new study claims ...