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 ...

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

Pluto may soon be a planet again, thanks to a letter from a 10-year-old Texan. NASA is looking into reclassifying the former ...

Science News: \"My Very Excellent Mother Just Served Us Nine Pizzas.\" Growing up, many of us memorised the planets through playful mnemonics. Over time, however, a r.

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

After studying thousands of computer simulations of the solar system, researchers at Rice University and the Planetary Science Institute think there’s a 40% chance an elusive “Planet Nine” or “Planet ...