World scientists are doing experiments in an effort to gain insight on how the universe evolved and if one of these global killers is heading our way.
Are there aliens in our backyard? We'll bring you to the seven places where scientists think alien life may be lurking.
These leftover fragments from the solar system's creation have long inspired fear and awe. Today, these icy giants offer a unique view into how the planets formed and how life as we know it began.
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