Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Due to its immense distance, the Sun appears from Earth as a gentle, radiant, and serene star. In reality, however, it is a turbulent, dynamic sphere of plasma with unimaginably high temperatures.

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of ...

The European Space Agency's ExoMars Trace Gas Orbiter image of interstellar comet 3I/ATLAS as it passed close to Mars. (The European Space Agency) A mysterious interstellar comet — just the third such ...

"Though our Mars orbiters continue to make impressive contributions to Mars science, it's always extra exciting to see them ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Earth and the sun in our solar system - Drpixel/Getty Images When you see art of our solar system as the planet orbit the sun, you may notice that Earth's orbit has a tilt. It is not a perfect circle.

Spirals of solar wind can spin off larger solar eruptions and disrupt Earth's magnetic field, yet they are too difficult to detect with our current single-location warning system, according to a new ...