
Is Biology Best?
Are there hints that machine life simply doesn’t happen in the universe?
Discussion and news about planets, exoplanets, and astrobiology
Are there hints that machine life simply doesn’t happen in the universe?
Ten years, measured in words on astrobiology, exoplanets and the cosmos in general
There may be things to learn from the one known world in the universe dominated by complex machines
Explaining the very long steps of Earth’s oxygenation—and perhaps that of other planets, too
Meandering rivers may hold a vital clue to the earth’s capacity for life
From hummocky to dune- and lake-covered, Titan is revealed in its latest global map
When did we start talking about life from elsewhere?
Some scenarios for interstellar expansion are more disturbing than others
Predictable transits and conjunctions belie a deeper story that includes our origins
The most haunting thing about the universe is how empty it is