14 May 2014, 05:27 PM ET
The video — a supercomputer simulation created by researchers at NASA's Goddard Space Flight Center — chronicles the growth of a spiral galaxy, beginning with its birth shortly after the Big Bang that created the universe 13.8 billion years ago.
14 May 2014, 01:01 PM ET
Known as Cepheid variables, the stars have positions and young ages that indicate a warp to the galaxy's arm. This was previously suggested by observations of dust but had not been shown by the presence of stars.
14 May 2014, 01:29 AM ET
Even though it may only be a lump of porous rock, Phobos isn’t shy about hogging the limelight in this space wallpaper taken by ESA’s Mars Express.
13 May 2014, 02:45 PM ET
Visualized through supercomputers, the violent dance of intergalactic gas, stars, dust and dark matter forms a large spiral galaxy like our own Milky Way. A few smaller galaxies are ‘eaten’ along the way.
13 May 2014, 12:00 AM ET
This bundle of bright stars and dark dust in this beautiful space wallpaper is a dwarf spiral galaxy known as NGC 4605, located around 16 million light-years away in the constellation of Ursa Major (The Great Bear).
12 May 2014, 03:06 PM ET
The star is streaking through space at 1.4 million mph relative to our solar system, about three times faster than a typical star. It lies 42,400 light-years from Earth and is cruising toward the halo of dark matter that surrounds the galaxy.
12 May 2014, 01:13 AM ET
This fascinating space wallpaper shows the magnetic field of our Milky Way Galaxy as seen by ESA’s Planck satellite. This image was compiled from the first all-sky observations of polarized light emitted by interstellar dust in the Milky Way.
09 May 2014, 12:27 AM ET
This unusual space wallpaper shows one of the VLT's Unit Telescopes. During the exposure the camera was zoomed so that the stars, and the rest of the image, are smeared radially to create a strange and striking effect.
08 May 2014, 06:10 PM ET
Astrophotographer Amit Ashok Kamble captured two spectacular views of our Milky Way galaxy from Pakiri Beach in New Zealand. See how the space photographer created the amazing galaxy views here.
08 May 2014, 07:00 AM ET
One of the most beautiful sights in the heavens is the view of our own Milky Way from the inside.
07 May 2014, 11:25 PM ET
This colorful space wallpaper portrays a section of Saturn’s beautiful rings, four centuries after they were discovered by Galileo Galilei. Saturn’s rings were first observed in 1610.
07 May 2014, 02:11 PM ET
Astrophotographer Jim Abels caught a stunning moonrise over Ocean City, New Jersey. See how he did it here.
07 May 2014, 01:00 PM ET
A new computer simulation produces a chunk of the universe that closely resembles the real thing.
01 May 2014, 12:20 PM ET
Alien life could be orbiting rare F-type stars, despite heavy blasts of ultraviolet radiation. F-type stars are heftier and hotter than our sun.
30 April 2014, 01:00 PM ET
ESO's Very Large Telescope ‘zoomed into’ the star Beta Pictoris, 63-light years from Earth, to measure an 8-hour day on the star’s gas giant planet. Full Story: http://goo.gl/7VlzL5
29 April 2014, 10:50 PM ET
Acquired on April 13, 2014 this space wallpaper shows a transect over the northern part of the Antarctica Peninsula. It was acquired in the satellite’s ‘strip map’ mode with a swath width of 80 km and in dual polarization.
29 April 2014, 03:10 PM ET
Astrophotographer Dora Miller sent in these photos of a spectacular northern lights show over Alaska on April 20. See what it felt like to see the dazzling aurora display.
28 April 2014, 10:44 PM ET
Astronomers using ESO’s Very Large Telescope in Chile have captured this eye-catching space wallpaper of planetary nebula Abell 33.
28 April 2014, 02:20 PM ET
A group of female scientists is responsible for completely changing the way humans understand the stars of the night sky.
28 April 2014, 10:21 AM ET
Star-hop Virgo, Coma Berenices, and Canes Venatici to find the Whirlpool (M51), Sombrero (M104) and Black Eye (M64) galaxies. Find out how where to look in your night sky. Skywatching Guide: http://goo.gl/uETMG9
26 April 2014, 06:20 AM ET
After a few weeks of male-dominated story lines, Sunday's episode of "Cosmos: A Spacetime Odyssey" will honor two women who changed the way scientists understand star stuff, with the help of actresses Kirsten Dunst and Marlee Matlin.
23 April 2014, 11:38 PM ET
This stunning space wallpaper shows a patch of sky from the COSMOS survey, as viewed by XMM-Newton. COSMOS is a project studying how galaxies form and evolve, gathering observations using a variety of ground- and space-based telescopes.
23 April 2014, 02:50 PM ET
Two Michigan-based photographers, Terry Hancock of Fremont and Robert Fields of Howell Township, captured this brilliant image of three nebulas and a star cluster on April 11. See how they did it.
22 April 2014, 11:32 PM ET
This space wallpaper of a galaxy cluster taken by the NASA/ESA Hubble Space Telescope gives a remarkable cross-section of the Universe, showing objects at different distances and stages in cosmic history.
22 April 2014, 06:16 AM ET
The Milky Way is a spiral galaxy — but what exactly does it look like? Does it have two, four, or more arms? Astronomers think that now they’re one step closer to the answer.
15 April 2014, 10:48 PM ET
This beautiful space wallpaper, taken during a time lapse set at the Atacama Large Millimeter/submillimeter Array (ALMA) is another dramatic Ultra High Definition photograph from the ESO Ultra HD Expedition.
14 April 2014, 10:32 PM ET
This space wallpaper was acquired by the satellite's onboard camera on 4 April, just hours after Sentinel-1A entered orbit on April 3, 2014. It shows the top side of one of two deployed solar array wings as well as part of the radar antenna.
14 April 2014, 12:14 AM ET
This space wallpaper from the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile shows a contrasting pair of galaxies: NGC 1316, and its smaller companion NGC 1317 (right).
10 April 2014, 10:40 PM ET
This space wallpaper is a Hubble Space Telescope image of ‘El Gordo,’ which is the nickname given to the most massive cluster of galaxies ever seen to exist when the universe was just half of its current age of 13.8 billion years.
08 April 2014, 11:29 PM ET
This cool space wallpaper is a radar image from the Cassini orbiter showing dark streaks carved into dunes on Saturn’s moon Titan.
08 April 2014, 02:20 PM ET
Veteran astrophotographer A. Garrett Evans of central New Hampshire endured the bitter cold of York, Maine, on March 3 to take this stunning panorama of the Milky Way galaxy and Venus.
06 April 2014, 08:22 AM ET
New measurements by NASA's Hubble Space Telescope suggest that the cluster nicknamed "El Gordo" (Spanish for "the fat one") contains about as much mass as 3 quadrillion suns. That's 43 percent larger than previous work had estimated.
03 April 2014, 12:17 AM ET
This space wallpaper is a collage of galaxies in the Herschel Reference Survey at infrared/submillimetre wavelengths by Herschel (left) and at visible wavelengths from the Sloan Digital Sky Survey (SDSS, right).
02 April 2014, 12:20 AM ET
This space wallpaper is an artist's concept depicting NASA's Voyager 1 spacecraft entering interstellar space, or the space between stars.
01 April 2014, 02:18 AM ET
Astronomers say there are 100 billion to 200 billion galaxies in the universe. But accurately counting the number of galaxies depends on several factors.
01 April 2014, 12:41 AM ET
This colorful space wallpaper is a radar composite image shows changes in large-scale agricultural plots in southwest Iran. The image was released March 28, 2014.