Scientists propose a new technosignature for detecting alien life, involving deuterium-deuterium imprinted on a planet's ...

Extraterrestrial civilizations need a great deal of energy as they advance up the Kardashev scale. Fossil fuels are finite, ...

The odds of us finding extraterrestrial life anytime soon are pretty slim. But if there's anything that can deliver us a sign ...

Scientists have finally found a world orbiting the star and confirmed it with multiple follow-up observations. They estimate ...

Yet a recent study in the journal Nature Astronomy strongly suggests Venus was always hostile to life. Scientists from the ...

Plate tectonics, or the recycling of Earth’s crust, may have begun much earlier than previously thought—and may be a big ...

Thanks to the James Webb Space Telescope, we may have spotted a galactic neighbor with all the right molecular ingredients a ...

Nearly 40 years after Voyager 2's journey, NASA plans to revisit Uranus to explore its moons for hidden liquid water oceans, ...