An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...

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.

If a future spacecraft can confirm that they are organic, then it would virtually confirm that Ceres is producing these ...

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 ...

For two decades now, the iconic twin Voyager spacecraft have been quietly overturning everything we thought we knew about the ...

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

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

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

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 ...