How did life originate on Earth and, possibly, other worlds in space? A new NASA consortium has the goal of probing one of nature's most perplexing mysteries.
Cracks growing across the Brunt Ice Shelf are poised to release an iceberg about twice the size of New York City. A scientific presence on the ice shelf since 1955 has an uncertain future.
The scientific team that used YouTube videos to determine the trajectory of the Chelyabinsk meteor used the same method to track the trajectory of the bright meteor that crossed the sky over Cuba on February 1.