These so-called Venus co-orbital asteroids are currently undetected because of their alignment in the sky but could one day drift into Earth’s path, at least according to simulations combining ...

JWST’s mid-infrared images of Sagittarius B2 uncover dense clouds of cosmic dust hiding active star formation.

Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its ...