Alien species, such as the lionfish, can cause immense damage in new habitats (Picture: Getty) Invasive alien species cost the planet £335 billion in 2019 and are an ‘underappreciated, underestimated ...

alien beings living on a distant world around another star would look 'just like animals on Earth' and be formed from the same processes, an astrobiologist claims. Arik Kershenbaum, author of a new ...

Alien lifeforms are likely to have evolved their own unique ways of communicating, so how might humanity communicate with them if ever make contact? "We know where to look. We know how to look." ...

A deep-sea fisherman has revealed his latest eerie catch – a creature so bizarre it's been compared to an alien. The fish, with its large, bulbous body, tiny eyes and gaping mouth, looks like ...

Scientists have found a nearby planet that appears to be teeming with life, and now Earth's most advanced computer programs revealed what it could look like. The planet, known by astronomers as K2-18b ...

Alien species are taking over nature. Rogue rats are running amok on remote islands, predatory crayfish are cruising English rivers, Japanese knotweed is strangling South Wales, water hyacinth is ...

Biodiversity is great in theory, but there are reasons to fend off invasive species and the knock-on effect of their presence Britain would be a wasteland if it weren’t for immigration. Fifteen ...

Erik Irmer has been documenting the spread of invasive plant and animal species that disrupt native ecology across Europe. He focuses on humans’ interactions with these plants and animals. Aliens is ...