A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

Researchers are developing a new technique to help visualize the complex internal layering and anomalous structures inside planetary bodies, including the Moon. Credit: NGC 54/Wikimedia, CC BY-SA 4.0 ...

Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

Scientists have discovered that deep inside planets like Neptune, Uranus, and even distant exoplanets, extreme conditions can cause hydrogen and water to mix and later separate—creating an internal ...

When a planet is born from swirling pockets of molecular gas and dust that surround a young star, it forms under conditions of intense gravity and pressure. The process is violent, the first stages of ...

Astronomers photographed a baby planet, WISPIT 2b, during its formation process within a dusty ring around its star system.

TEMPE, Ariz. — In a laboratory shrouded by heavy black curtains hung with danger signs, scientists are conjuring the scorching-hot, high-pressure conditions inside planets. To start, they squeeze tiny ...

Earth as we know it offers majestic trees, meandering streams, and rolling hills. Yet below the Earth's surface, forces and elements like intense pressure and scalding magma simmer and stew—and make ...

David Rothery is co-leader of the European Space Agency's Mercury Surface and Composition Working Group, and a Co-Investigator on MIXS (Mercury Imaging X-ray Spectrometer) that is now on its way to ...

You probably learned in high school chemistry class that core electrons don't participate in chemical bonding. They're thought to be too deep inside an atom and close to the nucleus to meaningfully ...