Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

These computer-generated maps of Pluto at different longitudes were made from the current best images of the planet, taken in 2002-2003 by the Hubble Space Telescope.

The James Webb Space Telescope (JWST), operated by NASA, has uncovered intriguing new details about Charon—Pluto’s largest moon—including the presence of ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Analysis of data from NASA’s James Webb Space Telescope has helped shed light on the ancient surfaces of trans-Neptunian objects like Pluto.

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

Pluto TV, the ad-supported streamer, offers an impressive catalogue of essential science fiction series to binge-watch.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

NASA’s James Webb Space Telescope is again on its way to expand the understanding of the outer solar system. And this time, the explanation on its dwarf planet Pluto that keeps defying expectations.