Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

The 3I/ATLAS interstellar object, which a number of scientists consider to be potentially technological and likely to pose a ...

Science Fiction often shows aliens who look much like humans, and suggest this is a result of convergent evolution to useful traits. But is such convergence to the human form or mind likely with ...

The world is facing an unprecedented era, defined by a triple planetary crisis: biodiversity loss, climate change, and pollution. Biodiversity is vanishing at an alarming frequency, up to 1,000 times ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

Twenty years after Biosphere 2 broke ground near Oracle, the one-of-a-kind terrarium and its surrounding land have been sold for $50 million. Development of 1,500 new homes and a resort hotel on the ...