Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Netflix's movies offer an escape from reality, and the best options let you escape the planet's atmosphere in the process. These space movies run the gamut from quiet introspection to unfathomable ...

The national traveling exhibition explores space and astronomy, covering topics such as the search for habitable worlds.

If that’s too long to wait, two total lunar eclipses are also coming, one in September and another next March. Unlike total ...

A NASA mission, IMAP, will investigate and map the sun's particles and energy across the entire heliosphere, using a ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

A startup called Stardust is developing a proprietary geoengineering technology that could block sun rays from reaching the ...

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges of our solar system, about 3 billion miles from the Sun, at the farthest ...

What drives us to send probes throughout the Solar System and rovers and landers to Mars? It's not cheap, and it's not easy.

In ‘Jewel System’, planets of the solar system are swathed in over 3.9 million ethically sourced crystals and 40 million hand ...

Much like the northern and southern lights on Earth, auroras occur when charged solar particles collide with a planet’s ...