Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

Scientists studying interstellar comet 3I/ATLAS say it may be older than the Sun and could have formed around a star that no ...

Why is ‘Mars’ trending on Google Trends today, December 25? Yes, the planet is all that everything is talking about– what ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

In the 1966 film Fantastic Voyage, a spacecraft and its crew are shrunk to microscopic size and injected into the body of an injured astronaut to remove a life-threatening blood clot from his brain.