Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

The clingy planet orbits so close to its star, it triggers powerful explosions of radiation that eat away at its atmosphere.

In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

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

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

The host star, HIP 67522, is slightly larger and cooler than our Sun. But unlike our middle-aged star, this one is just 17 ...

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of how planets form.

A recent study has uncovered a dramatic interaction between a planet and its parent star that is reshaping our understanding ...