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, ...

An astrophysicist-in-training has found the youngest transiting exoplanet ever observed. Her discovery offers an unprecedented real-time peek at the earliest stages of a planet's existence ...

A camera set up on a buoy in the Indian Ocean caught the end of SpaceX's latest Starship test flight, and it's quite a sight to behold. That suborbital flight, which launched from SpaceX's ...

Designed to one day search for evidence of life in the briny ocean beneath the icy shell of Jupiter's moon Europa, these robots could play a key role in detecting chemical and temperature signals ...

NASA has confirmed over 5,780 worlds beyond our solar system, called exoplanets. But it's rare to detect a juvenile, still-maturing planet, because they inhabit chaotic systems that are flush with ...