Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Ancient enzymes show life’s nitrogen signal stayed unchanged for billions of years, helping scientists read early Earth.

Far from our solar system, astronomers have finally watched a star consume one of its own planets, catching in real time a process that will eventually reshape, and likely erase, the world we live on.