Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

For decades, we believed there were nine planets in our solar system—until Pluto was reclassified in 2006. But what if ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to the bottom of whether Pluto is a planet, I tracked down planetary scientist ...

In the journal AGU Advances, a group of researchers led by the Max Planck Institute for Solar System Research (MPS) in Germany presents the most comprehensive analysis to date of this mysterious ...

With a diameter of 1,212 kilometres (slightly more than half the diameter of Pluto), Charon is the 12th-largest natural satellite in the solar system. It is calculated to be composed of 55 per cent ...

Pluto in Aquarius 2025: read on to learn more about what the planet of death in the sign of the water bearer has in store for the collective this year. artefacti - stock.adobe.com Let’s talk ...

On Jan. 21, the sun will be confronted by shadowy Pluto, triggering powerful shifts at an individual and collective level If you’ve been feeling like something is shifting deep within you and in ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...