Astronaut Luca Parmitano’s Chilling First-Hand Account of His Mishap in Space
On July 16, Expedition 36 astronauts Chris Cassidy and Luca Parmitano had to cut a planned 7-hour spacewalk short after…
New Astronaut Candidates Speak of Career Change Sacrifices … and Excitement
Being selected to (potentially) go on a mission outside of Earth orbit has to be exciting. Assuming the astronaut title,…
Rogue Planets Could Form On Their Own in Interstellar Space
Free-floating rogue planets are intriguing objects. These planet-sized bodies adrift in interstellar space were predicted to exist in 1998, and…
Earth’s Highest Clouds Shine at the “Top of the Orbit”
Looking for a new desktop background? This might do nicely: a photo of noctilucent "night-shining" clouds seen above a midnight Sun…
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Haiku for Mars: Winners Selected for MAVEN Mission
Fans of Mars and spaceflight waxed poetic as the haiku selected to travel to Mars aboard the MAVEN spacecraft were…
On the Edge of Tyagaraja
Here's a rather interesting view from orbit around the innermost planet: Mercury's Tyagaraja crater, the interior of which is seen here…
How Do Astronomers Find Other Planets?
Up until 20 years ago, the only planets astronomers were aware of were within our Solar System. They assumed others…
Astrophoto: Flaming Star and Nebula in Orion
Astrophotographer César Cantú from Mexico captured this beautiful view of the star Alnitak and Flame Nebula, both in the constellation…
Stunning Aerial Tour of the Arctic
Enjoy this tour of the Arctic and Greenland, courtesy of the pilots of IceBridge, a six-year NASA mission to survey…
How to See Planet Neptune: Our Guide to Its 2013 Opposition
If you do your own stargazing or participate in our Sunday night Virtual Star Parties, you’ve probably noticed we’re starting…