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OSIRIS-REx mission passes critical milestone

NASA's groundbreaking science mission to retrieve a sample from an ancient space rock has moved closer to fruition. The Origins Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-REx) ...

dateApr 02, 2015 in Space Exploration
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Vesta—Ceres' little sister

Only around 60 million kilometres closer to the Sun than Ceres, another large rock is orbiting in the remote asteroid belt: Vesta. Although its diameter of approximately 530 kilometres makes it a bit too ...

dateApr 21, 2015 in Space Exploration
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Asteroids' close encounters with Mars

For nearly as long as astronomers have been able to observe asteroids, a question has gone unanswered: Why do the surfaces of most asteroids appear redder than meteorites—the remnants of asteroids that ...

dateNov 19, 2013 in Space Exploration
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'Rogue' asteroids may be the norm

To get an idea of how the early solar system may have formed, scientists often look to asteroids. These relics of rock and dust represent what today's planets may have been before they differentiated into ...

dateJan 29, 2014 in Space Exploration
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Image: WISE catalog just got wiser

NASA's WISE mission has released a new and improved atlas and catalog brimming with data on three-quarters of a billion objects detected during two full scans of the sky.

dateNov 15, 2013 in Astronomy
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Is life on Mars related to life on Earth?

The idea that there is life on other worlds is humbling and exciting, and finding life on another world would change everything. This has been a driving force for scientists for decades. We find life wherever ...

dateJul 31, 2013 in Space Exploration
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