As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Astronomers see the universe in ways most of us never imagine. These 10 surprising facts reveal the hidden forces, phenomena, and wonders shaping the cosmos. Loni Anderson's cause of death revealed ...

Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being empty, black holes are chock full of matter that gets squeezed into a teensy space.