A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

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 ...

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

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...