Planetary Science
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Planetary Science
Cassini maps depths of Titan’s seas
NASA’s Cassini spacecraft finds that some methane seas on Titan extend more than 200 meters beneath the Saturnian moon’s surface.
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Planetary Science
Unseen planets sweep up dust around young star
A large gap in the dusty disk around a young star reveals what our solar system might have looked like 4.6 billion years ago.
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Astronomy
Good night, Philae
The Philae lander has depleted its batteries and gone into idle mode, probably drawing to a close the surface-based study of comet 67P/Churyumov-Gerasimenko.
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Planetary Science
Two travelers from far beyond Neptune return home
Two bodies approaching from the edge of the solar system may have been tossed out there by Jupiter over 4 billion years ago.
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Planetary Science
A distant planet may lurk far beyond Neptune
Strange orbits in the Kuiper belt revive talk of a Planet X in the solar system.
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Psychology
Rigors of Mars trip make teamwork a priority
It’s going to take a different kind of mental approach to travel to Mars and back: less individuality, more collaboration and adaptability. Astronauts are being tested to prepare for such a mission.
By Bruce Bower -
Astronomy
Philae lander image raises questions about probe’s health
Early reports suggest that Rosetta's lander Philae bounced twice when landing on comet 67P/Churyumov-Gerasimenko.
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Astronomy
Rosetta mission lander set to explore surface of comet
The Rosetta spacecraft’s minifridge-sized lander Philae is now on comet 67P/Churyumov-Gerasimenko and is beginning to study its geology and chemistry.
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Planetary Science
Philae lander touches down on comet 67P
Rosetta’s lander Philae has reached the surface of comet 67P/Churyumov-Gerasimenko and is starting to do science.
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Astronomy
Philae lander is in free fall toward comet 67P
The Rosetta spacecraft has nudged its lander Philae off its back toward the surface of comet 67P/Churyumov-Gerasimenko.
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Planetary Science
Philae passes first go-no-go tests for comet landing
Philae and its mothership Rosetta are working through the final tests before scientists attempt to launch the lander toward the surface of comet 67P/Churyumov-Gerasimenko.
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Astronomy
Rosetta’s countdown to comet landing has begun
Everything is on track for Rosetta mission scientists to attempt to set the Philae lander on the surface of comet 67P/Churyumov-Gerasimenko.