News" co-anchor John Dickerson shares a conversation he had with Maryland Gov. Wes Moore at the Aspen Ideas Festival. Asked ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a process that’s also applicable for other planets.

Scientists may have found evidence of a ninth planet hiding out beyond Pluto, but is it actually Planet Nine?

A new study sheds light on what Jupiter, often called the "architect" of the solar system, was like in the beginning. The giant planet has dramatically changed.

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the edge of our solar system.

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto the old heave-ho and demoting it to a dwarf planet) and now researchers say they’ve found a ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.

A New Jersey family bought an expensive solar panel system from one of the most established companies in the country, but then, last year, that company suddenly filed for bankruptcy just as the ...

HELSINKI — Researchers are examining how artificial intelligence technologies could support a planned Chinese mission to the boundaries of the solar system, according to a new paper.

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