NASA's bold asteroid-capture mission is an expensive distraction that does little to advance the agency's overarching goal of getting humans to Mars, one prominent researcher argues.
Methane ice particles has been detected high inside a thick hood of clouds capping the moon's north pole -- confirming some models of how Titan's atmosphere works. Continue reading →
The biggest storm in the solar system may be slowly dwindling, but as can be seen from this view, even the shadow from Jupiter's biggest moon cannot engulf the mighty Great Red Spot. Continue reading →
To the surprise of scientists studying data from the European Rosetta mission, Comet 67P/Churyumov-Gerasimenko is venting chemicals associated with the smell of rotten eggs, urine, alcohol, bitter almonds and vinegar. Continue reading →
A partial solar eclipse will darken North American skies Thursday afternoon (Oct. 23), and you can watch the dramatic celestial event online if clouds hinder your view.
Heavy metal ferroelectric "snow" may cover Venus' highest mountain peaks, boosting the alien nature of Earth's weird 'twin.' Continue reading →
A comet the size of a small mountain and about as solid as a pile of talcum powder whizzed past Mars.
If you step outside before dawn during the next week or so, you might be able to see bright meteors streaking through the sky.
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