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

What will happen to the solar system when the Milky Way completes the merger with the Andromeda Galaxy? Bryan ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

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

The discovery of two new planets beyond our solar system by a team of astronomers ... but which orbit closer to their star than Mercury orbits the Sun. There is not enough gas and dust for these ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

In 2023, the European Space Agency reported on Solar Orbiter's discovery of tiny jets near the sun's south pole that could be powering the solar wind. The team behind this research has now used even ...