From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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 ...

Is intelligent alien life out there in the Universe? Well, with scientists discovering new exoplanets every year, yeah, the possibility only grows stronger. Will we discover alien life in the future?

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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 ...

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

One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It's called K2-18b, and it's the world you'd want to visit. K2-18b isn't exactly like Earth. It's more ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Methanol has long been considered a basic building block of life as we know it: the molecule plays a crucial role in producing the proteins and amino acids that make up DNA and RNA, upon which all ...

Emily Blunt and Josh O'Connor star in Universal Pictures' eerie alien invasion project coming next summer. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...