Pluto

Two new books chronicle Flagstaff’s long history with everybody’s favorite dwarf planet, Pluto. It was discovered at Lowell Observatory in 1930 and it’s…

A year from today, NASA scientists will have a chance to explore a small space rock in the outer solar system. It will be the most distant object ever…

A decade ago Flagstaff suffered a blow when Pluto was “demoted” to a dwarf planet. It was discovered at Lowell Observatory in Flagstaff in 1930 and is a…

The public can now join the hunt for the elusive Planet Nine, a massive planet astronomers believe might be hidden beyond Neptune.NASA scientists put a…

Pluto’s largest moon Charon has a dark red splotch on its north pole. In a new study published in the journal Nature, a planetary scientist at Lowell…

Physicist Tom Krimigis designs scientific instruments for space; they’ve gone to every planet in the solar system. He’s the only person in the world with…

One of the first major studies of Pluto’s geology appears in the most recent edition of the Journal of Science. It used data from the New Horizons mission…

A new study from Northern Arizona University says Pluto’s heart-shaped region is “surprisingly young”—less than 10 million years.Astronomer David Trilling…

Two California astronomers presented evidence for a new planet beyond Neptune on Wednesday. The prediction could reopen the debate about how a planet is…

The first formal results about Pluto from NASA’s New Horizons spacecraft appeared in the journal Science last week.One of the most surprising discoveries…