After more than three weeks without a powerful solar flare, the sun has suddenly ramped up its activity, firing off three ...

Every 11 years, our sun goes through a cycle of activity known as the solar cycle a natural rhythm of rising and falling ...

While solar storms can create new radiation belts like this, solar storms can also destroy them. A modestly powerful storm in June 2024 reduced the electron-dominated belt, and another storm in ...

X-class flares are the strongest and most intense on the solar scale. Last summer the sun unleashed a series of massive solar flares, resulting in an epic and historic G4 geomagnetic storm, with ...

The common lichen, Clavascidium lacinulatum, was injured, but able to recover and replicate. The results show that photosynthetic life may be possible on planets exposed to intense solar radiation.

NASA's Parker Solar Probe flew into the sun's atmosphere on Dec. 24, coming within 3.8 million miles of the sun's surface and breaking the all-time record for a spacecraft's speed.

In 2023, the world’s oceans experienced the most intense and widespread marine heatwaves ever recorded, with some events ...

NASA's Parker Solar Probe will pass within 3.83 million miles of the surface of the sun on Dec. 24, and multiple planets will be visible in December.