The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

Astronomers say they have evidence that there may be a hidden planet in our Solar System. Named 'Planet Y', the Earth-sized ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Jupiter and Venus, the two brightest planets in our solar system, should be widely visible for much of August in the northern hemisphere.

Scientists’ model indicates that dark matter inside gas giants could collapse into black holes detectable by observation.

A team led by University of Arizona astronomer Laird Close has discovered a growing planet outside our solar system, marking ...