Apollo 15: “Stand by for a Hard Impact”
On this day in history, the crew of Apollo 15 returned home from their mission to the Moon. But the…
GRB Lights Up Ancient Hidden Galaxy
Once upon a time, more than 12.7 billion years ago, a star was poised on the edge of extinction. It…
Astronauts Wax Poetic About Seeing Earth from Space
Astronauts have tried to explain the view of Earth from space, with many saying that there just aren't the words…
Watch Sprite Lightning Flash at 10,000 frames Per Second
Mysterious red sprite lightning is intriguing: sprites occur only at high altitudes above thunderstorms, only last for a thousandth of…
Ancient Astronomical Calendar Discovered in Scotland Predates Stonehenge by 6,000 Years
A team from the University of Birmingham recently announced an astronomical discovery in Scotland marking the beginnings of recorded time.…
Podcast: The Inverse-Square Law and Other Strangeness
Why don’t we have insects the size of horses? Why do bubbles form spheres? Why does it take so much…
What Will Happen When the Sun’s Magnetic Poles Reverse?
The Sun’s magnetic field will likely reverse sometime in the next three to four months. No, this is not the…
Watch Live: Celebrating One Year on Mars with Curiosity
NASA and the Jet Propulsion Laboratory are hosting a live webcast on Tuesday, August 6 starting at 14:45 UTC (10:45…
Stunning Photo from Space: Moon Rising Amid Noctilucent Clouds
Recently, Italian astronaut Luca Parmitano spent a "night flight" in the Cupola of the International Space Station in hopes of…
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Opportunity Mountain Goal Dead Ahead as Mars Orbiter Restarts Critical Targeting Hunt for Habitability Signs
Opportunity rover’s 1st mountain climbing goal is dead ahead in this up close view of Solander Point at Endeavour Crater.…