The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

At the turn of the 21 st century, astrophysicists theorized that the Sun was headed toward a deep solar minimum, but a new ...

Has the Sun’s activity increased or decreased in the last few years? This is what a recent study published in The Astrophysical Journal Letters hopes | Space ...

Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

The spacecraft will study the heliosphere, a vast bubble created by the Sun's solar wind. This bubble acts like a shield, ...

In what we can only interpret as a show of solidarity for the Solar System's beleaguered dwarf planet Pluto, the Sun put its heart prominently on its sleeve atmosphere.

The Solar System is vast, made up of eight planets, countless moons, and millions of asteroids, all orbiting the Sun. But like any territory, it has a boundary. This boundary is invisible, yet it ...

This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the night sky, and that's expected to continue as the sun is now in its solar ...

In this artist’s impression, a comet erupts with jets of gas as it falls toward the sun from the depths of the outer solar system. There’s a giant ball of ice barreling through the solar system right ...

Discover the powerful volcanic eruptions that have shaped worlds across our solar system. Around our solar system, violent eruptions are shaping distant worlds. Discover the explosive forces that ...