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Study suggests long-ago collisions among Pluto satellites
A new computer model suggests a series of Pluto satellites colliding, breaking to pieces, moving outward and then rebuilding.
October 9, 2013
Video: Bill Nye explains Earth flyby of Juno spacecraft
Watch Bill Nye explain why the Juno spacecraft is being routed so close to Earth on October 9, and what the craft will do when it reaches Jupiter in 2016.
October 9, 2013
Planets skimming a star’s surface
If confirmed, these planetary candidates would be among the closest planets to their stars discovered so far.
October 8, 2013
Insights from space rocks left after meteor exploded over Russia
Extensive laboratory studies of the Chelyabinsk meteorites revealed traces of ancient space collisions even more violent than the recent encounter with Earth.
October 8, 2013
Backyard astronomers team up with pros to study triple asteroid
A study of triple asteroid (87) Sylvia gave astronomers a way to probe the past history of our solar system, plus learn more about asteroids' internal composition.
October 7, 2013
An asteroid pile-up in the orbit of Mars
The orbit of the planet Mars is host to the remains of an ancient collision that created many of its Trojan asteroids, a new study has concluded.
October 7, 2013
Researchers find that double star Fomalhaut is actually a triple
As seen from Earth, Fomalhaut C appears far from the big, bright star that is Fomalhaut A. The two stars are separated by roughly 11 full moon-diameters in Earth's sky.
October 3, 2013
Exoplanet weather: Hot and cloudy, or hot and clear, again
First-ever map of the distribution of clouds on an exoplanet shows what the weather would be like on a light, hot, tidally locked world.
October 3, 2013
Mars orbiter first to capture Comet ISON sweeping past Mars
Mars Reconnaissance Orbiter, and Mars rovers Curiosity and Opportunity, have all tried to image Comet ISON in recent days as it swept past Mars. The orbiter's image is here.
October 2, 2013
Mars crater may actually be ancient supervolcano
New research suggests the Eden Patera basin on Mars could have been formed by an explosive volcanic eruption, not the impact of a large object.
October 2, 2013
