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 ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on ...

Pluto reaches opposition and is ready for those who want to chase it down. Use the biggest scope you've got, or take aim with ...

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 ...

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

Pluto has never been much of a planet — small, wired orbit, not much atmosphere — and questions about its status have been raised periodically since its discovery 76 years ago. This week, the ...

Object Details Author Tyson, Neil deGrasse Contents Pluto in culture -- Pluto in history -- Pluto in science -- Pluto's fall from grace -- Pluto divides the nation -- Pluto's judgment day -- Pluto the ...

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever discovered. This reddish dwarf planet follows such an extreme orbit ...

Science News: Astronomers have found a new super-Earth named TOI-1846 b. This planet is about twice the size of Earth. It orbits a red dwarf star 154 light-years aw ...