A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar ...

The punishing radiation appears to be causing the planet to shed its atmosphere at a rate of at least 1 trillion grams per second, according to a new study involving NASA 's Chandra X-ray Observatory.

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 ...

On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the 3-billion-mile journey to Pluto. When it finally arrived, it took some ...

Pluto was long considered our ninth planet, but the International Astronomical Union reclassified Pluto as a dwarf planet in ...

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 ...

Embark on a free guided tour of the City of Melbourne’s Art and Heritage Collection, located in the Melbourne Town Hall, and ...

Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus and Neptune stand near brighter beacons: Neptune and Saturn are two ...

Pluto and Figaro together - loads of fun. Pluto comes back to the house in the early morning after a late, restless night, and goes immediately to sleep - with the help of his sandman. This upsets ...

This decision, made years before the International Astronomical Union (IAU) officially reclassified Pluto as a dwarf planet in 2006, sparked a deluge of criticism.