Caltech President Ray Jayawardhana studies planets beyond our solar system in the search for alien life. But he now faces ...

For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally ...

Imagine a tiny spacecraft setting off on a journey into the darkness of space, heading towards a mysterious world that no ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research group comes out with a paper helping to shape what is becoming one of the ...

The loneliness of being "all alone in space" was something I felt was lacking in 'The Martian'.This work depicts that ...

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, ...

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A computer model tested whether the layout of tiny pores in rock could make lifeless chemistry complex enough to look like a ...

Earth already contains organisms that survive conditions humans could never endure. Alien life, if it exists, may force ...