Scientists say it's possible to use tiny ripples in space and time, or gravitational waves, to measure the rate at which our ...

A subtle gravitational-wave “hum” from merging black holes may help settle the cosmic fight over how fast the universe is ...

NASA's Hubble telescope has circled our planet in a low-Earth orbit for decades. But how much longer has become increasingly uncertain.

The Atacama Cosmology Telescope’s final data release confirms a major cosmic discrepancy and rules out many attempted solutions.

Scientists have long known many objects floating at the solar system's outer edges resemble snowmen, but the reasons why were never clear. Now, a student at Michigan State University has created the ...

According to USPS, the new Priority Mail stamp is priced to match the Priority Mail Flat-Rate Envelope, and the new Priority ...

Whether purchased by space enthusiasts, stamp collectors or casual letter writers, these stamps bring the wonders of the universe a little closer to home. Crab Nebula The Crab Nebula, located about 6, ...

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

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 is once again giving us a glimpse of something that is thousands of light-years away from the Earth. NASA shared images of the Egg Nebula as the star inside it is dying. The ...