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 MSPCA-Angell is still trying to find a home for a very special dog named Pluto, who was allegedly abused by his previous ...

A dog that was surrendered to the MSPCA after a video of him being abused on the streets of Boston circulated on social media ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

New Horizons launched in January 2006, and by July 14, 2015, it had reached its primary goal: Pluto. The first spacecraft to study Pluto up close, it conducted measurements of Pluto's atmosphere, ...

Ultimately, New Horizons will come to within just 6,000 miles of the icy world, furiously snapping pictures and recording data on the temperature, structure and composition of Pluto, its five ...

Pluto, our power planet of seismic change and karmic retribution, is stationing direct in the sign of the sea goat for the final time in our lifetimes. Pluto's last push in Capricorn marks the end ...

A subsurface ocean that may have helped form many of the features on Pluto may still be liquid today.

"The symmetry and structure of the occultation light curve is suggestive of an atmosphere with structure, in comparison to the absence of an atmosphere surrounding Pluto," Delaney noted.

The Alice instrument on NASA’s New Horizons spacecraft observed an ultraviolet solar occultation by Pluto’s atmosphere on 2015 July 14. The transmission vs. altitude was sensitive to the ...