New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

The rare astronomical event will see Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn appear at the same time, ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Mercury takes only 88 Earth days to orbit the sun.

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...