Scientists have long questioned whether an early Earth could have contained the appropriate hydrogen and oxygen on its own to create the water on our planet. With water covering the majority of our ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

Liquid water flowed across the surface of the asteroid that birthed the near-Earth object (NEO) Ryugu much later than scientists had thought possible, a new study finds. The discovery that water ...

A new study in Nature has revealed unexpected evidence that the asteroid Ryugu once had liquid water flowing through it. The results come from tiny rock samples collected by JAXA’s Hayabusa2 ...

According to a study conducted by University of Tokyo researchers, Ryugu maintained a "pristine record" of late water activity. By examining the lutetium and hafnium isotopes in their rock samples, ...

Scientists in Japan now believe that liquid water once flowed through the heart of the near-Earth asteroid Ryugu, after researchers detected something unusual in the samples of the space rock that ...

"This is just one of those very rare cases where you propose a hypothesis and actually find it happening." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought. When you ...

New research shows that dry ice blocks, not water or life, may be responsible for the mysterious gullies carved into Mars’ ...