Arcturus (at a magnitude of -0.05), one of the few stars mentioned by name in the Bible, is a giant, about 25 times the ...

Scientists directed NASA’s Perseverance rover to take an image of the Martian sky after a solar storm in hopes that an aurora ...

Rocket Lab's Electron will launch Aspera, a cubesat being developed by the University of Arizona and NASA. The shoebox-sized ...

A colossal solar filament over twice the distance between Earth and the moon erupted from the Sun's northern hemisphere ...