Planetariums around the world are invited to participate in this year’s edition of the IAU’s annual outreach event.

Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

WASHINGTON — Time moves a tad faster on the moon. Now an international group of astronomers has joined calls to give the moon its own clock so that future space missions can keep track of minutes on ...

On Dec. 17, 2018, the International Astronomical Union’s Minor Planet Center announced that 2018 VG18, nicknamed ‘Farout’, ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

3I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the galaxy. By Kenneth Chang The objects around the ringed planet are tiny, ...

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The International Astronomical Union will be coordinating the International Year of Astronomy in 2009. This initiative is an opportunity for the citizens of Earth to gain a deeper insight into ...

In a matter of days, thousands of astronomers will head to Cape Town and thousands more will log in to participate in the International Astronomical Union General Assembly. This event has already ...

The term "constellation" has evolved from a loose grouping of stars to officially defined regions of the sky with precise boundaries, formalized by the International Astronomical Union (IAU) in 1930, ...

Phil Plait over at Bad Astronomy posted this terrific piece that started off my Saturday with a smile. It reads like The Onion, though I also can't find the original source. Take a look and see if you ...

A new trans-Neptunian object, 2017 OF201, has been found with a vast orbit and potential dwarf planet size. The finding hints ...