Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were ...

Can NASA and Elon Musk get us to Mars and beyond?

A lucky alignment of galaxies allowed researchers to identify the most powerful and distant "space laser" ever found.

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

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

A dazzling new Hubble image peels back the layers of the mysterious Egg Nebula, a rare and fleeting phase in a Sun-like star’s death just 1,000 light-years away. Hidden inside a dense cocoon of dust, ...

The Hubble Space Telescope has captured imagery of the "largest protoplanetary disk ever imaged" known as IRAS 23077+6707 and ...

A proposed five-satellite Cosmic Positioning System could measure cosmic distances directly and help address discrepancies in the Hubble constant through solar system–scale triangulation.

Hubble Space Telescope has captured the death throes of the youngest and closest pre-planetary nebula from us, offering the ...

Astronomer using Hubble discovers "young stars that are spiraling into the center of a massive cluster of stars in the Small Magellanic Cloud," according to NASA's Goddard Space Flight Center. Credit: ...

Hubble captures a dying star cracking open the dazzling, dust-filled Egg Nebula in a rare cosmic transformation.

Scientists discovered a distant jellyfish galaxy with star-forming "tails" stretching back 8.5 billion years.