A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

A team of astronomers has uncovered an Earth-like planet orbiting a star located 4,000 light years away from the solar system ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

A joint Hubble and James Webb Space Telescope (JWST) project to learn more about the dusty disk around the bright star Vega ...

When astronomers realized that Ceres had many "relatives" in roughly the same region of the solar system, they began calling them asteroids or minor planets. But as you can see in the table at the ...

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.

The solar system has nine planets, but in 2006 the International Astronomical Union declared Pluto a dwarf planet, making the ...

Night sky observers always factor in the moon to determine the best time for astronomy viewing, especially for the two meteor ...

Astronomers think that a dwarf planet hiding in the middle of our solar system could be a source of frozen water. The dwarf ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts.

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