Scientists have discovered a new type of sedimentary rock made of debris from slag heaps, formed in the geological blink of an eye. Could this be good news, asks Graham Lawton

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius of approximately 1.8R⊕, placing it within the intriguing radius valley area of exoplanet sizes."

Gigantic hidden fortresses discovered 1,800 miles underground in Earth's mantle, rewrite how the planet's interior works.

"We found that hundreds of exoplanets are larger than they appear, and that shifts our understanding of exoplanets on a large scale," University of California, Irvine researcher and team leader Te Han said in a statement. "This means we may have actually found fewer Earth-like planets so far than we thought."

Materials Nexus discovered a new rare-earth-free magnet called MagNex with the help of AI - here’s how they did it.

One of the smallest, coolest stars found to have planets of any kind—just 86 light-years from the solar system—appears to have an Earth-like volcanic world. The planet, called LP 791-18 d, is ...

An international research team has discovered two new Earth-like planets near one of our closest stars. Teegarden's Star is about 12.5 light years away and is one of the smallest known stars.