Betelgeuse has a small companion star hidden in plain sight
Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found […]
Space
The Europa Clipper has set out to solve an alien mystery
NASA’s Europa Clipper spacecraft is on its way to help solve a quarter-century-old mystery: Could anything live in the ocean
Saturn’s first Trojan asteroid has finally been discovered
Astronomers have finally found an asteroid that keeps pace with Saturn in its orbit around the sun. Such objects, called
NASA’s Europa mission is a homecoming for a planetary astronomer
Planetary astronomer Bonnie Buratti remembers exactly where she was the first time she heard that Jupiter’s icy moon Europa might
A distant quasar’s black hole is surprisingly large for its galaxy
The first glimpse of starlight from a galaxy hosting one of the most distant quasars known has revealed an astronomical