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Fingerprint From a First-Generation Star?

SDSS001820.5-093939.2 (seen in white) is a small, second-generation star bearing the chemical imprint of one of the universe’s first stars.

A Cosmic Collision: Our Best View Yet of Two Distant Galaxies Merging

This image combines the views from the Hubble Space Telescope and the Keck-II observatory to show a foreground galaxy (a spiral galaxy viewed edge-on) and an almost complete ring: the smeared out image of a star-forming merger beyond.

Rosetta’s Comet Looms In The Dark In Close-Up Spacecraft Shot

The Rosetta navigation camera sent back this image of Comet 67P/Churyumov-Gerasimenko on Aug. 23, showing about a quarter of the four-kilometer (2.5-mile) comet.

Weird X-Rays: What Happens When Eta Carinae’s Massive Stars Get Close?

Eta Carinae, one of the most massive stars known. Image credit: NASA While the stars appear unchanging when you take a quick look at the night sky, there is so much variability out there that astronomers will be busy forever.

Fingerprint From a First-Generation Star?

SDSS001820.5-093939.2 (seen in white) is a small, second-generation star bearing the chemical imprint of one of the universe’s first stars.  It shines at an apparent magnitude of 15.8, just south of the celestial equator in the constellation Cetus.

Eye Problems From Space Affect At Least 21 NASA Astronauts: Study

Expedition 36/37 astronaut Karen Nyberg uses a fundoscope to take still and video images of her eye while in orbit.

Astrophoto: Clouds Above, Clouds Below

A northern hemisphere summertime view of the Milky Way in Sagittarius. Credit and copyright: Greg Redfern.

Boeing Completes All CST-100 Commercial Crew CCiCAP Milestones on Time and on Budget for NASA – Ahead of Competitors

Boeing unveiled full scale mockup of their commercial CST-100 ‘Space Taxi’ on June 9, 2014 at its intended manufacturing facility at the Kennedy Space Center in Florida.

Australian Astronomy Envy: This Video Is Like A Telescope Brochure

Performing observations in Australia is on many astronomers’ bucket lists, and this video timelapse shows you precisely why.

Rocket ‘Anomaly’ Blamed For Putting European Navigation Satellites Into Wrong Orbits

The fifth and sixth Galileo navigation satellites launch Aug. 22, 2014 from French Guiana. Credit: European Space Agency An independent investigation committee is looking at why two European navigation satellites are in the wrong orbits following their launch from French Guiana last week.

Extreme Weather is Linked to Global Warming, a New Study Suggests

In 2013, a blocking pattern over Alaska caused a record-breaking heat wave. Credit: Earth Observatory Extreme weather is becoming much more common.

5 Landing Site Candidates Selected for Rosetta’s Historic Philae Comet Lander

Five candidate sites were identified on Comet 67P/Churyumov-Gerasimenko for Rosetta’s Philae lander. The approximate locations of the five regions are marked on these OSIRIS narrow-angle camera images taken on 16 August 2014 from a distance of about 100 km.

History and the Future Come Together at the South Carolina State Museum

Looking through the historic 12 3/8″ refractor. Credit: South Carolina State Museum. Seeking out science and astronomy in South Carolina?

Low On Fuel, Weather Satellite Slowly Spirals To Its Death In 2016

Artist’s conception of the Tropical Rainfall Measuring Mission (TRMM) satellite in space over a cyclone.

Kapow! Moderate Solar Flare Erupts From The Sun, But Likely Won’t Affect Earth

Hot material shines brightly in this close-up of a moderate flare erupting on the sun Aug. 24, 2014. Credit: NASA/SDO While this solar peak has been weaker than usual, from time to time we get a moderate punch from the Sun.

Watch Live: New Horizons Crosses Neptune’s Orbit En Route To Pluto

Another milestone for the Pluto-bound New Horizons mission — it’s crossing the orbit of Neptune today, as it prepares to fly by Pluto next August.

Carnival Of Space #368

Carnival of Space. Image by Jason Major. This week’s Carnival of Space is hosted by Joe Latrell at his Photos To Space blog.

Take a Flight Over a Massive Aurora

Post by Alexander Gerst. Or perhaps I should say “eine grosse Aurora!” ESA astronaut Alexander Gerst made this time-lapse of a “massive aurora” as seen from the Space Station on August 24.

Timelapse: Watch Noctilucent Clouds Cover the Entire Sky

This year, the noctilucent cloud season has been especially eventful, and this new timelapse from Swedish astrophotographer Göran Strand shows these “night-shining” clouds covering the entire sky over the course of 2 hours.

ESO’s Latest Dramatic Landscape

This mosaic of images from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile shows two dramatic star formation regions in the southern Milky Way.