A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

While the Sun is the centre of our solar system, it only makes up about 99.8 per cent of the mass of the entire solar system.

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than just dazzling streaks of light as meteors, these ancient fragments are among ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

Since the formation of the Solar System, the orbits of the planets have evolved and changed over time. While one of the most prominent ideas in the last few decades is planetary migrations and the ...

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek Space:1999 free-floating planets, As J.R.R. Tolkien wrote in The Fellowship of the ...

Dune. Star Wars. Alien. Science fiction movies love alien worlds, and so do we. But how do scientists find planets outside ...

Astronomers have sent artificial satellites (satellites that are manmade) to orbit several Solar System objects, including Jupiter, the asteroid Vesta and Mars. Polar orbits take the satellites ...

This suggests that the exoplanets' orbits may have changed over time ... reveal new clues as to why we don't have one in our own solar system. Their findings were accepted for publication on ...

As well as planets and moons, the solar system also contains dwarf planets, which are too small to be considered planets. The best known of these is Pluto, an ice dwarf that orbits far from the ...

An exoplanet—also called an extrasolar planet—is a planet outside a solar system that orbits another star. With direct imaging, astronomers can see an exoplanet’s light in a telescope and study its ...