A 10-year-old’s passion for Pluto has caught the attention of NASA thanks to a compelling, viral letter on social media.

It's been 20 years since Pluto was declassified as the ninth planet in our solar system, and many people wish it had never lost its status. A recent comment from NASA Administrator Jared Isaacman ...

NASA's administrator wants to reclassify Pluto as a planet, reigniting a 20-year controversy over its status in our solar ...

A child’s heartfelt appeal to make Pluto a planet again has captured the internet’s attention, with NASA responding to the ...

Pluto, with its heart-shaped glacier, as captured by the New Horizons spacecraft Pluto, with its heart-shaped glacier, as captured by the New Horizons spacecraftJPL/NASA Editor at Large Pluto will ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...

"My Very Excellent Mother Just Served Us Nine Pizzas." Growing up, many of us memorised the planets through playful mnemonics ...