Add Yahoo as a preferred source to see more of our stories on Google. Pluto was discovered 95 years ago on Feb. 18, and even though it was demoted nearly two decades ago, it remains a fascinating part ...

An Arizona observatory where Pluto was discovered turns a summer night into a dreamy mix of stargazing and history.

Recent images captured by New Horizons have unveiled six substantial landslides on Pluto, revealing intriguing gravitational ...

A new formation theory for Pluto's moon Charon could explain why Pluto is geologically active. Illustration incorporates NASA New Horizons terrain imagery. Pluto — demoted to dwarf planets status in ...

Pluto, once considered the ninth planet of our solar system, has been a topic of intrigue since its reclassification as a dwarf planet. Recent observations suggest that its atmosphere is expanding, ...

Far beyond Pluto, where sunlight is faint and temperatures remain extremely low, countless icy bodies drift through the outer ...

For no explainable practical reason, humans are enamored with – and even empathetic toward – specific inanimate objects. Our first car. A choice coffee mug. And for a particular subset of the ...