NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

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

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 ...

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

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

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

Moon dust is sharp, corrosive, and potentially fatal. NASA’s new electric force field shield is designed to blast it away.

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

For fans of 1987's "Predator" and its subsequent sequels, these 15 action-packed, suspense-driven monster romps will ...

For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

Wu designed and executed an experiment that questioned — and then disproved — the infallibility of parity. After freezing a sample of cobalt-60 nuclei so their north and south poles were aligned, she ...

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