A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

Starstruck Billions of years ago, our Solar System may have had an incredibly close encounter with another passing star. As ...

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

Scientists say microscopic black holes could explain the elusive "dark matter" that makes up a quarter of all matter in the ...

Our solar system might still bear the scars from an extremely close shave with an alien star. Such an encounter – the closest pass we know of – would have shaken up objects on the outskirts and might ...

White dwarfs are born when stars with masses around that of the sun exhaust the hydrogen in their cores. In around 5 billion years, the sun will undergo this process, leaving a smoldering cosmic ember ...

Astronomers capture images of star R Doradus, revealing giant gas bubbles and offering insights into stellar convection.

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

New evidence suggests that billions of years ago, a star may have passed very close to our solar system. As a result, ...