The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ...

News stories about the likely existence of extraterrestrial life, and our chances of detecting it, tend to be positive. We are often told that we might discover it any time now. Finding life beyond ...

Barack Obama created a storm over the weekend after he said that aliens are real, although, disappointingly, he hadn’t seen any. While internet chatter about his interview with the American podcast ...

The hunt for life beyond Earth has taken an unexpected twist as President Barack Obama claims that aliens are real, but that he doesn't know where they are. The former president said in an interview ...

Astronomers are always on the lookout for any sign of an alien civilisation in space. But what would we do if we found one? HUMANKIND'S first contact with an alien civilisation, if it ever happens, ...

For decades, we've been looking to the skies for any sign of aliens – but it turns out we may have been missing attempts at contact. A new study has cast doubt on our radio signal detection methods, ...

The hunt for life beyond Earth has taken an unexpected twist as President Barack Obama claims that aliens are real, but that he doesn't know where they are. The former president said in an interview ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Grey squirrels, Sitka spruce, ash dieback disease and Japanese knotweed are all highly damaging invasive alien species in Ireland. Among other impacts, invasive species threaten nature, impact on food ...