From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Humans are affecting the Earth’s systems on a global scale. Industrial pollutants are accumulating in our atmosphere with the potential for long-term impact on global climate and biodiversity. This is ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...