What Lit up the Universe? Astronomers May be on the Brink of an Answer
Most scientists can see, hear, smell, touch or even taste their research. But astronomers can only study light — photons…
Fingerprint From a First-Generation Star?
The young universe was composed of a pristine mix of hydrogen, helium, and a tiny trace of lithium. But after…
A Cosmic Collision: Our Best View Yet of Two Distant Galaxies Merging
An international team of astronomers has obtained the best view yet of two galaxies colliding when the universe was only…
Rosetta’s Comet Looms In The Dark In Close-Up Spacecraft Shot
Wow! Rosetta is getting ever-closer to its target comet by the day. This navigation camera shot from Aug. 23 shows…
Weird X-Rays: What Happens When Eta Carinae’s Massive Stars Get Close?
While the stars appear unchanging when you take a quick look at the night sky, there is so much variability…
Eye Problems From Space Affect At Least 21 NASA Astronauts: Study
How does microgravity affect your health? One of the chief concerns of NASA astronauts these days is changes to eyesight.…
Astrophoto: Clouds Above, Clouds Below
What a gorgeous view of the dusty cloud of the Milky Way arch hovering over clouds low on the horizon…
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Boeing Completes All CST-100 Commercial Crew CCiCAP Milestones on Time and on Budget for NASA – Ahead of Competitors
In the ‘new race to space’ to restore our capability to launch Americans to orbit from American soil with an…
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. Famous, world-class…
Rocket ‘Anomaly’ Blamed For Putting European Navigation Satellites Into Wrong Orbits
An independent investigation committee is looking at why two European navigation satellites are in the wrong orbits following their launch…