Subduction, a crucial geological process on Earth, may have begun hundreds of millions of years earlier than traditionally ...

The Earth’s oceans began forming over 4 billion years ago, shortly after the planet's formation. Water vapor released from volcanic activity condensed to form the early oceans as the planet cooled.

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...

This will include studying the planet PDS 70c, the companion of PDS 70b. "By studying these two planets together, we can understand the system’s formation history even better," Hsu said.

Astronomers have likely witnessed a planet forming in real time, seen inside a spiral arm of the HD 135344B protoplanetary ...

Artist's illustration of K2-18 b. (Credit: ESA/Hubble, M. Kornmesser) “If water and hydrogen are indeed substantially mixed throughout a planet’s interior, the structure and thermal evolution of Earth ...