Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

"We were very surprised to see that the same tiny plasma jets appear to be driving both the fast and the slow solar wind." ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

The sun is much more than a bright light in the sky. It's a giant ball of burning gas that holds our cosmic neighborhood ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

Solar Orbiter has revealed that tiny, hair-like jets in the Sun’s coronal holes are responsible for both fast and slow solar ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...

One theory is that our ... system. The temperature of the central core rose as it became increasingly dense and opaque, and eventually became hot and dense enough that nuclear fusion began. The ...

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...