Water from both volcanic rocks and deep mantle melted Earth's crust 1.6 billion years ago. This long-lasting melting formed ...

Scientists discover hydrogen in a rare meteorite, suggesting Earth had the ingredients to make water from the start.

All that said, the findings can’t confirm the terrestrial life theory beyond a doubt. There’s still a chance hydrogen-heavy ...

Scientists speculate that asteroids colliding with Earth delivered water—an essential building block of life—but new research ...

Although this study likely won’t resolve the debate over Earth’s original water source, it tilts the table toward an internal, not external one. “We now think that the material that built our planet — ...

Earth's water likely came from a combination of sources. Volcanic activity released water vapor, which condensed into oceans. However, a significant portion of Earth’s water may have arrived ...

New research challenges the meteorite hypothesis, suggesting Earth's water may be native, originating from the solar nebula rather than asteroidal impacts.

Oxford researchers have unearthed a cosmic surprise showing that the hydrogen needed for water was embedded in the very rocks ...

That’s when President Richard Nixon signed the act creating the U.S. Environmental Protection Agency and proclaiming April 22 as Earth Day. The day has since morphed into a month, which is OK because ...