An overlooked box of fossil fragments belonged to the missing specimen.

An exoplanet, TOI-5205 b, which is almost as large as Jupiter, orbits a small red star. By many estimates, this red star should not have been able to form it due to the star’s mass. The fact that ...

The giant kraken, a mythical marine beast, may not be entirely fiction. New evidence suggests that octopuses up to 62 feet long likely roamed the waters of ancient Earth, ripping and devouring prey in ...

Multi-million-dollar investment advances scientific instrument development and supports critical milestone toward completion of one of the world's most powerful telescopes ...

Astronomers have discovered two of the least dense giant planets ever found worlds roughly the size of Jupiter but so ...

A long-ago reshuffling of the giant planets in our solar system may have been instrumental in giving Earth its moon. For decades, planetary scientists have hypothesized that Jupiter, Saturn, Uranus ...

TUCSON — Hot and dry air, perfused with a scent reminiscent of a warmed hair straightener, stuffed a hangar-sized room beneath the football stadium at the University of Arizona. The space, part of the ...