We’re working in a shared document and Alison will go first. Alison, is Pluto a planet? Alison Klesman, senior editor, Astronomy: To me, Pluto is not a planet — and that’s a sign of progress.

In 2006, Pluto had its planet status revoked. ... Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is.

Editor’s note: A version of this ... Pluto was now a double planet: Pluto itself measures about 1,485 miles (2,390 kilometers) across, Charon some 700 miles (1,127 km) across.

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

Pluto's status has been a heated debate for decades with arguing over a dwarf planet classification. Here's what international standards say in 2023.

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

Pluto officially lost its planethood in 2006, and this episode of Dead Planets Society is all about bringing it back by making it bigger, faster and better than ever ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why Pluto isn't a planet.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

What Pluto can teach us about planets and our solar system : Short Wave Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size ...

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...