On Earth, plants reflect green light — but on Kepler-186f, they’d likely glow deep red. The reason lies in physics: cooler ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

The University of Arizona is opening a new exhibit this weekend that explores one of humanity's most enduring questions: Are ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

Searching for alien life by looking for specific signals from individual planets may overlook a larger pattern, new research ...

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...