In the quest for life beyond our solar system, a new study delves into the atmospheric dynamics of planet Proxima Centauri b, illuminating ozone's pivotal role in shaping planetary climates.

Modern Earth can’t serve as a basis for evaluating exoplanets and their potential to support life as the atmosphere has changed radically over its 4.5 billion years.

Scientists describe how ground-penetrating radar is used to discover bodies of water below the surface of distant planets and they are on their way to Jupiter.

Recent reports of NASA’s James Webb Space Telescope finding signs of life on a distant planet sparked excitement. A new study challenges this finding, but also outlines how the telescope might verify the presence of the life-produced gas.

The origin of life on Earth is still enigmatic, but we are slowly unraveling the steps involved and the necessary ingredients.

Scientists are getting a handle on detecting exoplanets that might be warm enough to have liquid water on their surfaces, habitability's most basic signal.

Europa is one of the largest of more than 90 moons in orbit around the planet Jupiter. It is also one of the best places to look for alien life.

Instead of green, many bacteria on Earth contain purple pigments, and purple worlds on which they are dominant would produce a distinctive “light fingerprint” detectable by next-generation ground- and space-based telescopes.

Learning more about how extremophiles survive in hostile conditions could inform scientists about life on Earth and potential life on other planets.

The team behind the University of Arizona-led NASA mission to sample the asteroid Bennu joins the ranks of the Apollo 11 crew and Orville Wright to earn the Robert J. Collier Trophy.