Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...