There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as ...

Pluto will mark a birthday of sorts on March ... Not long before coming to work at the observatory, Tombaugh had built his ...

If Planet Nine is out there, this telescope might actually find it Mike ... the only evidence has come from some oddities in the orbits of small Pluto-like bodies. The cosmic weirdness could ...

Two NASA spacecraft have teamed up to capture direct images of Uranus. The Hubble Space Telescope and the New Horizons Pluto probe formed a cool tag team to investigate the mysterious seventh ...

It was October 2001, and a leaky Lindley Hall roof and Lawrence light pollution had rendered the 1929 telescope — which had been refurbished by Pluto discoverer Clyde Tombaugh — nearly useless.

Before New Horizons, the best images of Pluto revealed nothing more than a few light and dark patches. The best Hubble Telescope images were only 150 pixels across. The new pictures show much more ...

Oct. 1, 2024 — Astronomers have detected carbon dioxide and hydrogen peroxide on the frozen surface of Pluto's largest moon, Charon, using observations from the James Webb Space Telescope.

By the time the light reaches us, it has spread out so much that the planet looks very dim, and requires a good telescope to spot. PhotoPhoto of Pluto and its moon Charon, as seen with the Hubble ...

Thirty-five years ago today a revolutionary new era of astronomy began when the Hubble Space Telescope, tucked onboard the space shuttle Discovery, blasted off Earth into history. Within a month ...