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 ...

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

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 ...

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 ...

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

For generations, the question of whether life exists beyond Earth has captivated humanity. On Mars, faint traces in ancient ...

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

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

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...