Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

The solar flare peaked at 5:49 p.m. EDT on Tuesday, NASA's Solar Dynamics Observatory said. It was an X-class flare — the most intense kind, NASA said. Solar flares are essentially "giant explosions ...

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

HIP 67522 b, a Jupiter-sized planet, orbits its star in just 7 days. Its closeness disturbs the star’s magnetic field, triggering stellar flares that scorch the planet’s atmosphere ...

Artist's concept of the star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b. A second planet, HIP ...

The first ever recorded 'planet with a death wish' orbits so close to its host star that it triggers huge flares of radiation ...

Solar flares are the most powerful explosions in the solar system the biggest ones can have as much energy as a billion ...

Galileo started this quest over 400 years ago, and scientists finally were able to peek at one of the biggest mysteries of ...

ESA has found a way to make its own solar eclipses more or less on demand and all it took was a pair of robotic spacecraft ...

How far away it is: 93 million miles (150 million km) ...

A colossal hole in the Sun's atmosphere is gradually turning towards Earth, potentially triggering G1-class geomagnetic storms by late June.