An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

The outer solar system begins where sunlight fades and distances stretch beyond everyday comprehension. This journey traces ...

It would be understandable if you stopped thinking as much about Pluto after it was “demoted” from being considered one of the nine planets sharing the Earth’s solar system to being classified as a ...

Of the eight known planets in the Solar System, Mercury is the smallest and closest to our star, the Sun. Mercury has been known since the time of ancient Babylon, in the 14th century BC. Its name ...

Over the past decade, Don’t Nod has explored the soul-sucking worlds of 17th-century America, post-WWI London, dystopian Paris, and a high school in the Pacific Northwest. But for its next trick, the ...

Astronomers have puzzled for years over a strange pattern in the outer solar system. A surprising number of icy bodies far beyond Neptune resemble snowmen, made of two rounded lobes stuck together.

Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University ...

Since Pluto remains in the sun’s orbit, it should be considered a planet due to the fact that it is still a part of the solar system. And since Pluto is still hanging on at the end of the system, it ...

At the edge of the Antarctic Peninsula, far from research stations and tourist routes, a small team collected seawater in conditions that are not easi.

Beyond Pluto lies a collection of frozen worlds that challenge traditional ideas of what planets should be. This episode ...

Pluto's discovery by Clyde Tombaugh, key political changes in Scandinavia and America, plus cultural and scientific milestones.