Is artificial intelligence flight ready?

Artificial intelligence could easily fall into the trap of identifying non-life as life on other worlds, claim two ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

This video explores whether alien life would really need DNA, or whether that assumption is just a product of Earth’s own biology. By looking at RNA worlds, alternative genetic molecules like XNAs, ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

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Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets. Things mistaken for UFOs. In the search for alien life, humans have been fooled ...

It was a close encounter of the Schiff kind. President Trump made an out of this world jibe when he was allegedly briefed on alien “hybrids” living among humans, a congressman claimed this week.

Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New ...