'Monster' planet discovery challenges formation theory

A giant planet, which should not exist according to planet formation theory, has been discovered around a distant star. The new research is presented in a paper recently accepted for publication in the journal Monthly Notices ...

'Spectacular' meteor showers to light up the sky

The Perseid meteor shower—an annual display of natural fireworks—should be particularly spectacular this year, with extra-dark skies expected to create optimal stargazing conditions, astronomers said Friday.

Mapping the family tree of stars

Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing together these evolutionary trees ...

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