Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are still billions more to be discovered! At the same time, exoplanetologists have ...

"The origin and diversification of complex life on Earth remains one of the most profound and enduring questions in natural science," said ... atmospheric oxygen and background UVR.

Complex life on Earth may be older than previously thought ... Devika Rao has worked as a staff writer at The Week since 2022, covering science, the environment, climate and business.