These planets are relatively small in size and in mass. A terrestrial planet has a solid rocky surface, with metals deep in its interior. In the solar system, these planets are closer to the sun ...

Plate tectonics seems to be crucial for life on Earth, but we’ve never confirmed that it happens on other worlds - that may ...

Even JWST can’t separate these tiny planets from their host stars – as they orbit their stars too closely. But there is a way ...