Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

On May 12, weather-station equipment on NASA's Curiosity rover (pictured 2021) recorded a high temperature of 11 degrees ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

Stars don’t just form planets—they may also re-supply their disks with gas, reshaping how and where planets emerge.

While researchers are still debating the exact timeline, one thing is becoming clear. Life didn’t take long to get started.

Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

The curious minds at What If explore what it would mean for life on Earth if every planet in our solar system were habitable.

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

The Fermi Paradox, named after physicist Enrico Fermi, highlights a contradiction in our understanding of alien life: despite ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

Mars, one of our closest planetary neighbors, has fascinated people for hundreds of years, partly because it is so similar to ...