A peculiar metal shard that sparked UFO enthusiasts’ imaginations as potential alien technology has been debunked by ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

And even if they were to happen across the probes, finding a way for aliens to discover where and when they were made is not ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

In Ripley's fight to keep human life as far as physically possible away from the Xenomorphs, Burke was initially a warm ...

Astronomers scan interstellar comet 3I/ATLAS for alien signals as Breakthrough Listen's 2026 technosignature search comes up ...

For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

Conspiracy theories are one of the banes of the modern world, exacerbated by the internet and social media. What was once ...

NASA and SETI experts scan interstellar visitor 3I/ATLAS for alien 'technosignatures' as scientists say the 137,000mph object ...