The Latest Breaking News from Solar System

The solar system's largest and smallest planets will greet one another in the eastern sky.

The discovery marks the smallest-known star to host such a large planet

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar system.

The Oort Cloud’s true shape has remained elusive to scientists until now

A newly found object could be a dwarf planet that contradicts the Planet Nine hypothesis.

It's an evocative idea that has long bedevilled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it.

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and outright scepticism. Recently, scientists claimed the “strongest evidence” of life on a distant exoplanet – a world outside our solar system.

Discover interesting facts about where alien life forms are likely to exist, and what they look like.

The discovery of water ice around a distant star is allowing scientists to study how the key ingredient for life is delivered to young planets beyond our solar system.

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond Neptune, it orbits the sun every 25,000 years.

Astronomers have calculated that the gas giant Jupiter used to be twice as big as it is now, based on the odd orbits of two of its many moons.