Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's rendering of a white dwarf devouring a Pluto-like body. | Credit: NASA, Tim Pyle ...

Astronomers have used the James Webb Space Telescope (JWST) to uncover two groundbreaking findings: strong evidence of a potential Saturn-sized planet orbiting Alpha Centauri A, our closest Sun-like ...

Pluto’s thin, blue haze glows in this image from NASA’s New Horizons spacecraft. Though the dwarf planet is just a faint speck through a telescope, opposition this month offers skywatchers their best ...

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

On July 14, 2015, NASA's New Horizons spacecraft arrived at Pluto for the first time. The craft flew within 7,700 miles of the planet and is sending back reams of data and the highest resolution ...

The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of the outer solar system. The object was found as ...

Scientists have detected methane gas glowing faintly above Makemake, an icy dwarf planet smaller and farther than Pluto in space. Until now, Pluto was the only object that far out in the solar system ...

NASA says its Hubble Space Telescope has captured evidence of a white dwarf star consuming the remnants of a Pluto-like object - a scenario that may predict what will happen to planets in our own ...

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA’s Hubble Space Telescope could identify that ...