PSR B1620 b: Closer to Earth, in both space and form
Science is likely a long way from discovering life beyond Earth, but a decades-old equation can help us think about how to look — or possibly lead us astray
Searching for extraterrestrial life is like trying to meet someone in Manhattan with no prearranged place or time
Dale Andersen, a researcher at the SETI Institute, discusses everything from microbes in Antarctica to intelligent extraterrestrials.
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