The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

Avi Loeb connects archaeological history, planetary limits and interstellar research to examine how scientific exploration could shape humanity’s long-term transition beyond Earth.

As evidence continues to mount that the mysterious object with interstellar origins currently speeding toward the inner solar system at a breakneck speed is a comet, not everybody's convinced quite ...

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The rise of AI might explain why the search for extraterrestrial intelligence (SETI) has yet to detect the signatures of advanced technical civilizations elsewhere in the galaxy. When you purchase ...

Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, but honest-to-God intelligent aliens, capable of space travel? The ...