"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

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

That said, finding a dark-sky area on a clear night towards the end of February will give you the best chance of spotting ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around ... close to the sun right at ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

Planets form in turbulent disks of gas and dust called protoplanetary disks around young stars. It is thought that the first step in planet formation is dust grains colliding and sticking together.

Astronomers may have inadvertently complicated the mystery of how strange "roasting marshmallow" planets form. Using the Gemini ... clouds of gas and dust around infant stars from which planets ...

Astronomers may have inadvertently complicated the mystery of how strange "roasting marshmallow" planets form. Using the Gemini South telescope ... the flattened clouds of gas and dust around infant ...