In the search for the earliest life on Earth, it can be hard to tell whether you're looking at an actual fossil, or crinkles in the rock itself. Such doubts have long shadowed the 1980s discovery of 3.5 billion-year-old fossils in the Australian desert. Now, scientists think they have finally put the matter to bed.
Earth seems like the perfect hub for life because it's the only planet known so far to host it — but new research suggests that other planets could have oceans that are even more hospitable, offering life that is more varied than we know it.
A growing number of young people in Britain are fed up with their life, amid a sense of overwhelming pressure from social media which is driving feelings of anxiety and inadequacy, according to a new survey.
All the brain cells of life on Earth still cannot explain life on Earth. Its most intelligent species has uncovered the building blocks of matter, read countless genomes and watched spacetime quiver as black holes collide. It understands much of how living creatures work, but not how they came to be. There is no agreement, even, on what life is.