As humans continue to search for life in space, some experts speculate the so-called Great Filter theory lies behind why nobody is responding to our call. Civilisations likely destroy themselves ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 6 minutes It’s ...

The Great Filter theory proposes that advanced life faces nearly impossible hurdles. These hurdles include the origin of life, evolution of complex organisms, and technological advancement. If ...

Our galaxy has around 100 to 400 billion stars in it, and there are around the same number of galaxies in the universe. If even a fraction of these stars replicate our sun and have planets with ...