Five years of imagery from NASA's Transiting Exoplanet Survey Satellite (TESS) have been stitched together to create an ...

From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

A small red dwarf star is challenging our knowledge of how planets form by coexisting with a massive exoplanet, much like a ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

New images from the JWST are about as close as we've ever come to seeing the sky of an alien world outside the Solar System.

Scientists have discovered a giant planet called TOI-6894b, orbiting a star that should be far too small to have formed it.

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has ...