Stars like our Sun are originally formed from a nebula. A nebula is a giant cloud of mainly hydrogen gas and dust in space. Gravity pulled a lot of the gas and dust together and a protostar formed.

This gorgeous image shows a fiery stunner called the Rosette Nebula that ... matter through gravity until these clumps ...

WOH G64 is what's known as a red giant, a star nearing the end of its life, running out of hydrogen fuel. Through this ...

The Carina Nebula is home to a million of stars. The image has been formed with ... which can get pulled together into clumps by gravity. Eventually, a clump will get so big that it collapses ...

Within this nebula, the hot core of the star remains—crushed to high density by gravity—as a white dwarf with temperatures over 180,000 degrees Fahrenheit (100,000 degrees Celsius).

Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in ... This was possibly because of a nearby supernova - an exploding star - sending ...