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 ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

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

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero conditions, while Nasa dismisses claims it is an alien probe.

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

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: ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...

Discover the astonishing microscopic life thriving beneath Antarctica's icy exterior. A new PBS series reveals the groundbreaking research that could transform our understanding of ecosystems and ...

New UFO files have been released by the Trump administration that include several vivid descriptions of mysterious sightings in the sky.

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.