Scientists have recently proposed the existence of “Planet Y,” a hidden Earth-sized world that could be lurking in our solar ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Astronomers believe they may have uncovered evidence of a hidden Earth -size planet lurking in the outer solar system. Dubbed ...

What processes have regulated climate over the course of Earth’s history? Researchers are addressing this question in the ...

The world faces a "new reality" as we have reached the first of many Earth system tipping points that will cause catastrophic ...

MIT scientists have discovered ancient rock samples from Greenland, Canada, and Hawaii exhibiting a rare potassium-40 deficit ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

Humans are gambling on the very stability of Earth's life support systems, scientists said Wednesday, warning that ocean acidity was yet another key planetary threshold to be breached. A team of ...

At current emission rates, we're just over three years away from blowing through the remaining carbon budget to limit warming to 1.5°C. This new international study paints a stark picture: the pace of ...