While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar fingerprints of biology, researchers are training algorithms to spot the deeper ...

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A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The ...