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

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

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

The goal should be a new golden rule linking the search for life elsewhere to the spread of life beyond the bounds of Earth.

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Amirali Aghazadeh receives funding from Georgia Tech. When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found something astonishing.

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

The moon once dismissed as the solar system’s most hostile environment may now sit directly in the path of an object that defies conventional explanation. Two decades of scientific certainty just ...

"We thought clouds would hide life from us, but surprisingly, they could help us find life." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Recent observations suggest that scientists have identified potential microbial fingerprints in the atmospheres of other planets, raising intriguing questions about the possibility of alien life ...