Denial of invasive species threat worries scientists

Scientists believe a new battlefront is opening in science denialism and this time the target is the science of invasive alien species and the fight to protect some of the world's rarest species and most unique ecosystems.

Cosmic encounters with alien life

Numerous books have been penned on the exciting subject of life on other worlds, and the news almost daily carries stories about potential new habitable sites, ranging from water on Mars to oceans on Europa and exoplanets ...

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