It's 99 percent dark matter, a new study explains.

A stunning new Hubble image reveals the most detailed look yet at the Egg Nebula, the youngest and closest pre-planetary nebula to Earth.

Using the Hubble Space Telescope, astronomers have discovered what seems to be a galaxy that is the most heavily dominated by ...

The stunning image captures a star's dying moments wrapped in dust, light, and a cosmic conundrum still waiting to be solved.

The Hubble Space Telescope has unveiled a remarkable new view of the Egg Nebula, the closest known pre-planetary nebula to Earth. The image captures a Sun-like star casting off its outer layers, ...

This stunning image from NASA's Hubble Space Telescope reveals a dramatic interplay of light and shadow in the Egg Nebula, ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could provide a fossil record of how supermassive black hole growth in the early ...

NASA Goddard Space Flight Center's Dr. Jennifer Wiseman explains the Hubble Space Telescope's view of the Pillars of Creation ...

HOUSTON, TX -A seven-year-old girl in Lucknow stood in her backyard at dawn in October 1957, watching Sputnik streak across the sky. Nearly seven decades later, that child would help steer some of ...