Why Grand Canyon's new distinction is "life-changing" for stargazers

Seeing the national park in daylight is only half the story. Jeff Glor watched astronomers gather for a "Star Party"

• Aug 12, 2016

Researchers discover X-shaped formation in Milky Way

An astronomer's Twitter post leads to clues about the formation of our galaxy

• Jul 26, 2016

Light bending trick reveals supremely old, faint galaxy

Scientists have pinpointed a very early galaxy that is one of the faintest ever seen

• May 25, 2016

Small blue galaxy could reveal clues to the Big Bang

A faint blue galaxy about 30 million light-years away from Earth might hold clues to the origin of the universe

• May 13, 2016

What are the odds of other intelligent life in the universe?

A new study recalculates the likelihood of intelligent life existing elsewhere in the cosmos

• Apr 28, 2016

Hubble Telescope captures new glimpse of mysterious cosmic object

NASA: New image gives scientists the best understanding yet of the enigma known as the "Red Rectangle"

• Apr 26, 2016

Hubble Space Telescope finds most distant galaxy yet

Galaxy formed relatively soon after the Big Bang, letting astronomers take "a major step back in time"

• Mar 4, 2016

Snickers, Milky Way and other Mars candy bars recalled

Chocolate maker Mars recalls chocolate bars in 55 countries after problem is found

• Feb 23, 2016

Hundreds of hidden galaxies glimpsed behind Milky Way

New view from a radio telescope reveals hundreds of galaxies we were never able to see before

• Feb 9, 2016

In search for alien life, focus on globular star clusters

Analysis of stellar neighborhoods in globular clusters suggest they could be favorable environments for advanced civilizations

• Jan 6, 2016

Real life "Star Wars"? Hubble spots "lightsaber" in space

Spectacular new image from the Hubble Space Telescope looks like something out of a Hollywood special effects studio

• Dec 18, 2015

These may be the oldest stars in the Milky Way

"This work really changes our ideas of what the first stars would have looked like"

• Nov 11, 2015

​Photographer startled by Milky Way encounter

He was photographing the stars one second and then nearly jumped out of his boots the next

• Nov 10, 2015

Why is the Milky Way's monster black hole belching?

Astronomers aren't sure what made the giant back hole at the galaxy's center emit a huge number of powerful X-ray flares

• Oct 27, 2015

​Largest space map ever shows Milky Way in 46B pixels

It would take 22,000 HD TVs to see the whole thing at once

• Oct 22, 2015

Massive black hole wakes up after 26 years

After a quarter century of silence, a black hole the size of 12 suns is bursting with X-ray and gamma ray activity

• Jun 25, 2015

Astronomers spot brightest galaxy in early universe

"It doesn't really get any more exciting than this," scientist says of the distant galaxy, which was named for a star athlete

• Jun 17, 2015

Hubble finds massive halo around Andromeda galaxy

The nearly invisible halo is believed to be six times larger and 1,000 times more massive than previously measured

• May 8, 2015

Astronomers find most distant galaxy ever

It is one of the biggest, brightest objects from the early universe and formed about 500 million years after the Big Bang

• May 5, 2015

Search for alien life comes up empty

A team scouring 100,000 galaxies has found no sign of intelligent life, but insists the search will continue

• Apr 17, 2015

How NASA uses balloons to do science on the cheap

The "poor man's launch vehicles" are a boon without the boom, and one is prepped for a record-breaking, around-the-world flight

• Mar 16, 2015

Milky Way may be 50 percent bigger than we thought

Scientists say that stars once thought to be surrounding the galaxy may actually be part of it

• Mar 11, 2015

Nine pint-sized galaxies found orbiting Milky Way

Scientists hope the discovery of the dwarf galaxies will shed light on the mysteries of dark matter

• Mar 10, 2015

Space destroying black holes

Astronomers get clearest picture yet of these celestial enigmas

• Feb 15, 2011
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