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Latest News About Stars and Galaxies

Galaxy NGC 4214 is dominated by a huge glowing cloud of hydrogen gas in which new stars are being born. A heart-shaped hollow — possibly galaxy NGC 4214’s most eye-catching feature — can be seen at the centre of this.

Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.

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Golden Star Arcturus Shining Bright for Skywatchers
The bright yellow star Arcturus is putting on a dazzling show in the night sky.
To celebrate the 21st anniversary of the Hubble Space Telescope, astronomers pointed Hubble's eye at an especially photogenic pair of interacting galaxies called Arp 273.
A spiral galaxy is being distorted by the gravitational pull of a neighbor in a new photo from the Hubble Space Telescope.
A still from a time-lapse video made by photographer Terje Sorgjerd of the night sky as seen from the Canary Islands.
A spectacular time-lapse video of the landscapes and skyscapes of El Teide, a huge volcanic peak in the Canary Islands.
Artist's concept of Gliese 667, one of two multiple-star systems known to host planets below 10 Earth masses.
Luke Skywalker's home planet of Tatooine is a vividly realized alien world, but it may be missing one key detail: black plants.
Supernova Explosion Gets 3-D Makeover
The famed supernova Cassiopeia A may have been visible in 1630, five decades earlier than thought.
Astronaut Paolo Nespoli took this image of the moon on March 20, 2011, and wrote, "#Supermoon was spectacular from here!"
Skywatchers can observe the first full moon of the spring season in the Northern Hemisphere Sunday (April 17).
Dense filaments of gas in the IC5146 interstellar cloud, in an infrared photo from ESA’s Herschel space observatory.
New images reveal photogenic, but puzzling, tangled cosmic filaments.
Using the galaxy cluster Abell 383 (center) as a "gravitational lens," astronomers identified a galaxy so far away we see it as it was 950 million years after the Big Bang. It is visible as two tiny dots on either side of Abell 383. Distant objects seen t
The first galaxies formed much earlier than previously thought — just 200 million years after the universe's birth.
Artist's conception of the Milkomeda galaxy a trillion years from now.
Astronomers today are lucky, with a plethora of evidence from the Big Bang readily available.
Halley's Comet and Others May Be Stolen Goods
Astronomer Joe Rao recounts an amazing trip to the Southern Hemisphere to view a whole new sky.
NASA's planet-hunting Kepler spacecraft has observed brightness oscillations in more than 500 sun-like stars. The white-line grids represent the field of view on the sky of the Kepler detectors.
NASA's planet-hunting Kepler space observatory is showing it's a multi-purpose instrument.
NASA's Spitzer Space Telescope took this image of a baby star sprouting two identical jets (green lines emanating from fuzzy star). The Spitzer image shows that both of the twin jets are made up of identical knots of gas and dust, ejected one after anothe
Astronomers discovered a time delay between two jets of gas from a young star.
This sky map shows how the constellation Ursa Major, the Great Bear, appears in the night sky from mid-latitudes of North America at about 9 p.m. local time.
Now is a good time to see the Big Dipper stars and constellation Ursa Major.
This artist's illustration shows a brown dwarf with a disk of planet-forming material around it. Brown dwarfs are bodies without enough mass to ignite nuclear fusion and become stars.
Sub-brown dwarfs – a mid-point between planets and stars – could prove fertile grounds for extraterrestrial life.
On the night of April 3 and 4, 2011, Saturn will be in opposition, located directly opposite to the sun in the sky.
Saturn is back in the evening sky and here's how to see it.
Sizes of red giant stars compared to the Sun. Using the Kepler telescope, we have detected oscillations in hundreds of red giant stars. The periods of those oscillations allowed us to study the interiors of these giant stars, which represent the future li
Astronomers have taken the pulse of red giant stars using starquakes.
The star cluster NGC 371 appears in this new image from ESO’s Very Large Telescope.
The star cluster NGC 371 glows pink and red in a new photo from ESO's Very Large Telescope.
This sky chart shows where the constellation Leo, the Lion and its trademark sickle appear in the eastern sky as viewd from the Northern Hemisphere during spring. This chart is where the constellation appears at 8 p.m. EDT as viewed from the U.S. East Coa
Spring is here, and with it a seasonal star formation is front and center in the night sky.
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