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

While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

is when several planets in our solar system appear to line up in the sky from our perspective here on Earth." The planet parade occurs when the planets' positions in their elliptical orbit around ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade". Throughout much of January and February, Venus, Mars, Jupiter ...

The planets in our solar system orbit the sun essentially along a line across the sky in a plane called the ecliptic. For that reason, planets in our Earthly sky always appear somewhere along a ...

improving our understanding of planet formation and potentially shedding light on the origins of our own solar system," says David Cont from the Ludwig Maximilian University of Munich, Germany ...