The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

America wants to build a gigantic energy tower taller than the Burj Khalifa. Powered by gravity and designed by Skidmore, Owings & Merrill alongside Energy Vault, this futuristic megastructure could ...