Feb 16 2011
Does a Massive Planet Lurk in the Outer Solar System?
Could there be a massive planet well beyond the orbit of Pluto? Unfortunately, this "extraordinary" claim is based on rather "ordinary" evidence.
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Jan 25 2011
Uranus Pathfinder: Mission to the Mysterious Ice Giant
The only spacecraft to have visited Uranus was Voyager 2 in 1986. Now a team of scientists from Europe and the U.S. are planning a return mission to this bizarre planet.
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Dec 27 2010
Laser Sheds Light on ‘Dark Side’ of Moon
It may seem hard to believe, but a few decades ago we didn’t have clue as to what the far side of the moon even looked like.
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Dec 20 2010
The Star of Bethlehem: Was it Jupiter?
In the year 2 B.C., the strange motion of Jupiter past the bright star of Regulus and eventual conjunction with Venus may have inspired the "Three Wise Men" to travel to Bethlehem.
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Dec 14 2010
Spacecraft Reaches Edge of Solar System
After a 33-year odyssey, NASA's Voyager 1 has reached a zone where charged particles flowing from the sun ebbs.
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Nov 12 2010
Pluto Might be Bigger, But Eris is More Massive
During a rare occultation event, Eris was measured by telescopes in Chile and it turns out the dwarf planet behind Pluto's demotion may not be that big after all.
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Oct 14 2010
Let’s Build an Interplanetary Space Station
Rather than simply visiting a co-orbital asteroid and bringing back rock samples, the mission could fulfill an ultimate goal of space colonization.
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Oct 14 2010
Let’s Build an Interplanetary Space Station
Rather than simply visiting a co-orbital asteroid and bringing back rock samples, the mission could fulfill an ultimate goal of space colonization.
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Oct 07 2010
Eris and Pluto Find Common Ground
Eris appears to have similar quantities of nitrogen and methane ices locked in its surface as its smaller dwarf planet cousin.
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