24 May 2013, 01:06 PM ET
Computer simulations of galaxies growing over billions of years show that cold gas to power stars spirals into the cores of galaxies along spiral filaments.
23 May 2013, 02:01 PM ET
The twin stars of SS Cygni are hundreds of light-years closer to Earth than thought.
22 May 2013, 01:01 PM ET
The find sheds new light on the role such huge collisions played in galactic evolution long ago.
21 May 2013, 09:59 AM ET
This stunning space wallpaper reveals Supernova 1987A in the Large Magellanic Cloud. Glittering stars and wisps of gas create a backdrop for the self-destruction of a massive star.
20 May 2013, 06:50 AM ET
Photographer Christopher Georgia captured this amazing image of the Milky Way Galaxy from Acadia National Park.
08 May 2013, 03:44 PM ET
This intriguing space wallpaper shows the galaxy catalogued as 2MASX J05210136-2521450, which stands out at a glance due to its interesting shape.
08 May 2013, 07:00 AM ET
Amateurs could help shed light on mysterious dark matter and other cosmic phenomena.
07 May 2013, 04:15 PM ET
This cool space wallpaper is an illustration showing a messy, chaotic galaxy undergoing bursts of star formation.
30 April 2013, 10:27 AM ET
Jupiter, Mercury and Venus get together. Using binoculars, see the Virgo Cluster and Sombrero galaxy. The Eta Aquarid meteor shower rains and an annular solar eclipse is viewable in Northern Australia.
29 April 2013, 06:50 AM ET
Veteran skywatcher P-M Heden captured this amazing night sky photo of Comet PanSTARRS and the Andromeda Galaxy over rural Sweden.
23 April 2013, 05:42 PM ET
The galaxy is turning almost all its gas into baby stars.
17 April 2013, 01:01 PM ET
An ancient galaxy is churning out stars nearly 20 times as fast as its modern equivalents.
15 April 2013, 06:00 PM ET
Scientists have conducted a postmortem on the last supernova ever seen by the naked eye in our galaxy.
09 April 2013, 01:29 PM ET
This space wallpaper reveals Galaxy 2MASX J09442693+0429569 imaged by Hubble. This elliptical galaxy has entered a transitional phase from a young, star-forming galaxy to an older, larger, "red and dead" galaxy.
09 April 2013, 09:54 AM ET
NASA is funding two projects to search for exoplanets and has enlisted some the help of two big-name partners.
05 April 2013, 03:59 PM ET
You can see all but a few of the 110 Messier objects in a single night this weekend.
01 April 2013, 11:13 AM ET
The object in this fascinating space wallpaper is Jonckheere 900 or J 900, a planetary nebula — glowing shells of ionised gas pushed out by a dying star.
27 March 2013, 11:45 AM ET
Scientists have been stumped on how baby stars can get so big.
27 March 2013, 10:47 AM ET
This amazing space wallpaper from ESO’s Very Large Telescope at the Paranal Observatory in Chile shows NGC 1637, a spiral galaxy located about 35 million light-years away in the constellation of Eridanus (The River).
26 March 2013, 06:14 PM ET
A new class of supernova represents a miniature star explosion.
26 March 2013, 05:13 PM ET
Are you a star at star trivia?
19 March 2013, 11:20 AM ET
Europe’s XMM-Newton space telescope has helped to identify a star and a black hole that orbit each other at the dizzying rate of once every 2.4 hours, smashing the previous record by nearly an hour.
19 March 2013, 08:28 AM ET
This stunning space wallpaper is an artist’s impression showing an eclipsing binary star system. As the two stars orbit each other they pass in front of one another and their combined brightness, seen from a distance, decreases.
18 March 2013, 10:23 AM ET
This space wallpaper is a schematic representing how light from a distant galaxy is distorted by the gravitational effects of a nearer foreground galaxy known as Einstein rings.
15 March 2013, 04:30 PM ET
Schmidt discusses quasars, their impact on astronomy and the anniversary of his seminal find.
15 March 2013, 01:46 PM ET
The Keck Observatory will be looking for more donations to counteract a freeze on federal grant spending.
13 March 2013, 02:02 PM ET
Astronomers still lack a basic understanding of how these incredibly bright objects work.
12 March 2013, 11:45 AM ET
This spectacular space wallpaper is a map of a section of the Universe showing the positions of thousands of galaxies that were measured as part of the VIPERS survey with ESO’s Very Large Telescope.
08 March 2013, 03:47 PM ET
This space wallpaper combines Hubble observations of M 106 with additional information captured by amateur astronomers Robert Gendler and Jay GaBany. Gendler combined Hubble data with his own observations to produce this stunning color image.
04 March 2013, 05:56 AM ET
Skywatcher P-M Heden of The World at Night snapped this beautiful image of a family stargazing in September 2012.
28 February 2013, 10:46 PM ET
This space wallpaper shows a deep-field image of what is known as a supercluster of galaxies — a giant group of galaxy clusters which are themselves clustered together.
24 February 2013, 11:28 PM ET
This artist’s impression shows the material ejected from the region around the supermassive black hole in the quasar SDSS J1106+1939 in this cool space wallpaper.
21 February 2013, 07:00 AM ET
White dwarfs have magnetic fields many thousands of times stronger than any on Earth.
20 February 2013, 07:23 PM ET
This cool space wallpaper from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile, shows the bright star cluster NGC 6520 and its neighbor, the strangely shaped dark cloud Barnard 86.
20 February 2013, 05:24 PM ET
This space wallpaper shows an artist’s impression of the disc of gas and cosmic dust around the young star HD 142527.
20 February 2013, 03:14 PM ET
The blinking star Algol is actually a pair of eclipsing stars.