Pluto was once known as the ninth planet but was reclassified after scientists set clear criteria for planets. The key factor was Pluto’s inability to clear its orbital path, leading to its current ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

NASA's New Horizons spacecraft made history by flying past Pluto, sending back groundbreaking data that would change our ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

The New Horizons spacecraft showed this when it flew by around a decade ago. Interestingly enough, Neptune, which is the closest planet to Pluto, crosses orbits with the dwarf planet. Pluto is inside ...

A rare Jupiter-sized planet AT2021uey b was found 3,200 light-years away using microlensing, a method based on Einstein's Theory of Relativity that observes light bending.

Finding a Saturn-sized world around the young star TWA 7 could pave the way for the Webb space telescope’s direct observation of other exoplanets.