Stars rocked the red carpet at the Grammy Awards, bringing some high drama, serious style—and, as ever, lots of skin. See all the looks: ...

Last week, the "Bejeweled" singer made a "red-hot" appearance at the Grammys, where she was nominated for six awards. She ...

"Most of the external layers of a massive star are removed during the supernova, but some material falls back, making the neutron star spin faster." ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...