All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

Water may have formed less than 200 million years after the Big Bang, suggesting some conditions for life existed far earlier than previously thought.

Astronomers may have discovered how water originated in the universe, challenging existing theories on star formation.

For more than a decade, a robotic explorer has been traveling across Mars, quietly collecting clues about a time when the Red ...

Our lives are surprisingly dependent upon this extremely light and unreactive gas, yet supplies of it are remarkably fragile.

and other molecules built around bonds between carbon and nitrogen atoms. You may like Water in the universe may have formed ...

Water molecules look like a simplified drawing of Mickey Mouse—with a large oxygen atom as the "head" and two smaller hydrogen atoms as the "ears." Initially, the hydrogen "ears" touch the ...

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a ...

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the ...