The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...
New Scientist on MSN
Earth and solar system may have been shaped by nearby exploding star
A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...
Morning Overview on MSN
A comet from another star just passed through our solar system
A small, icy traveler from deep space has just threaded its way through the inner Solar System, offering a fleeting but ...
New research has found evidence that Earth's early continents resulted from being hit by comets as our Solar System passed into and out of the spiral arms of the Milky Way Galaxy, turning traditional ...
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