Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

In early February of 1943, Gene Grabeel walks toward a corner of a large, crowded room inside Arlington Hall near Washington, D.C. Around her, clutches of people huddle over tables and quietly rifle ...