Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...

It's possible for our solar system to capture a rogue planet and give it a home as it hurtles through the galaxy, according ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

Carrying out simulations to try and discover what best explains the orbits of these objects, the team found that a model that ...

Jane Huang, an assistant professor of astronomy, grew up in Chicago, but has no strong feelings on whether New York or her ...

Delving into the behaviors of the Sun and protecting humans at home and beyond are top priorities, according to the National ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

Thanks to the James Webb Space Telescope, we may have spotted a galactic neighbor with all the right molecular ingredients a ...

Extrasolar gas giant planets are a necessary stop on the road to finding life elsewhere in the cosmos. Here's why we need to ...