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!

A toxic chemical long considered hostile to life on Mars, may not be an obstacle to building on the Red Planet after all. Instead, it could.