The Hubble Space Telescope has been imaging the outer planets of our solar system for a decade, learning about their strange ...

Researchers have discovered that old elliptical galaxies can form from intense star formation in early galaxy cores. This ...

Our space is filled with more stars than grains of sand on Earth due to their active formation and vast number.

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

Finding a bubble of hot gas blown by the stellar wind from a young star gives researchers a peek at what our sun was like when it was young.

"Right now is a great time to go outside and look up at the night sky," Henry Throop, a planetary scientist at NASA, told ABC ...