Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

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The search for extraterrestrial intelligence has traditionally focused on detecting radio signals or laser transmissions from distant civilisations. But a new study proposes a very different idea: ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...