Hubble

Eta Carinae, the most luminous and massive stellar system within 10,000 light-years of Earth, is known for its surprising behavior, erupting twice in the 19th century for reasons scientists still don’t understand.

At a time when our earliest human ancestors mastered walking upright the heart of our Milky Way galaxy underwent a titanic eruption, driving gases and other material outward at 2 million miles per hour.

Despite discovering hundreds of exoplanets known as “super-Earths,” astronomers still don’t know what they’re made of.

What’s it like to lead a NASA project that could revolutionize our understanding of the universe? John Mather shares his perspective with Epoch Times.

It’s a beautiful universe ... take the tour.