The league of experts and scientists who have spent decades keeping watch is being decimated by the Trump administration’s staffing cuts.

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

Scientists just found four small planets not too far from us, and they might be perfect for future space travelers. These exoplanets are the right size, possibly have the right conditions, and they’re ...

At the time the images were taken, the spacecraft was between 16,700 miles (26,900 kilometers) and 59,300 miles (95,400 kilometers) above Jupiter's cloud tops. Saturn, known for its spectacular icy ...

(Its gravity is not great enough to cause other orbiting objects to impact, or crash into, its surface or be ejected from our solar system.) is not a satellite of another object. Pluto meets all of ...

“Our hope with this type of research is to understand our own solar system, life, and ourselves in comparison to other exoplanetary ... long-period planets that we can directly image?

Only eight planets call our solar system home. Or there might still be nine if some astronomers are correct about an as-yet undiscovered large body out past Neptune. On the other hand, if you’re ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

But for Earth and the other planets that revolve around it, the sun is a powerful center of attention. It holds the solar system together; provides life-giving light, heat, and energy to Earth ...

An illustration of the James Webb Space Telescope as it orbits the sun in our solar system ... image. This allows light from the nearby exoplanet to reach Webb. "Directly detecting planets around ...