An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...

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. Species that are not ...

From the WOW Signal to methane on Mars and recent biosignatures detected on exoplanets like K218b, the evidence for extraterrestrial life has become increasingly difficult to ignore. Yet every ...

Scientists studying distant exoplanets believe that plant life on some worlds could appear red rather than green. The reason lies in the type of light emitted by the host star and how organisms evolve ...

Letters: Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch ...