A primitive ocean on Mars held more water than Earth’s Arctic Ocean, and covered a greater portion of the planet’s surface than the Atlantic Ocean does on Earth, according to new results published ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

About 4.6 billion years ago, the young Earth was a hostile and violent place. Repeated collisions with space rocks left the ...

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the planet's violently varying tilt may be a key factor. When you purchase ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Named for the Gaelic god of war, Smertrios has a composition and density that are a challenge to planet formation models. When you purchase through links on our site, we may earn an affiliate ...

The hunt for an Earth-like planet shielded with a protective atmosphere has so far eluded scientists, but a new detection by the James Webb Space Telescope could be the first. Despite its being so ...

Peering at a rocky planet 26 light-years away, the James Webb Space Telescope (JWST) has spied signs of water vapor. The discovery would mark the first time that astronomers have ever managed to ...

Climate change has many signals—rising sea levels, melting glaciers, stronger storms—but the first and most immediate sign for most people on the planet is water. Not too much of it. Not too little.

Recently, a team of researchers led by Prof. DU Zhixue from the Guangzhou Institute of Geochemistry of the Chinese Academy of ...