The Sun has fascinated humanity for millennia, but what exactly is it? While many once believed it was simply a "ball of fire ...

The Very Large Telescope in Chile has found, for the first time, an infant planet nestled in spiral arms of dust around a distant sun-like star.

The future of yellow dwarf stars, like our sun, is determined almost entirely by their mass. The most massive stars, about eight to 12 times heftier than the sun, can explode as supernovae ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.