From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
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A Saturn moon could harbor alien life, and the signs are growing
For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...
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Suppose aliens are living inside Earth
Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also ...
From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...
Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...
Explorers go to a planet that they believe holds clues to the origins of mankind. While the 2025 TV show ignores the Prometheus arc, it remains the oldest, non-AVP installment in the franchise. It ...
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