An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the exact moment the International Space Station passed directly in front of our ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

Senate rules require removing a plan to charge feeds on new migrants seeking asylum in the U.S. and relocating Space Shuttle ...