More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk.
Discover why Independence Day remains the gold standard for alien invasion movies, 30 years later. No other film captures the scale, excitement, and global crisis like this classic!
Morning Overview on MSN
Scientists uncover 7,000-year-old desert mummies with shocking nonhuman DNA
In the central Sahara, where sand now buries ancient lakes, scientists have pulled genetic material from 7,000-year-old ...
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