Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...

High-energy, powerful, and violent stellar explosions called "superflares" have been found to erupt from stars like the sun roughly once every 100 years, making these blasts far more common than ...

Of all the things to worry about, the explosion of our sun is perhaps one of the least pressing. The Earth has seen five ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

In this picture, we capture the binary in the moment where the first white dwarf has just exploded, hurtling material towards its nearby companion which is on the cusp of explosion too. This event ...