Antarctica's McMurdo ice shelf, where scientists found a surprising range of life in tiny pools of melted ice that could have implications for…
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Earth has not always been so hospitable to live. During several ice ages, the planet's surface was almost completely frozen over, creating wha…
An artist's illustration of the planet K2-18b, one of the prime suspects to host life beyond this solar system
An artist's illustration of an ocean world, such as some scientists suspect the planet K2-18b could be
When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant planet, the rare good…
The Webb telescope as it left Earth in 2021
The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first t…
A sample of Asteroid Bennu went on public display for the first time at the Museum of Natural History in Washington, DC, in November 2023
Pristine samples of the asteroid Bennu transported to Earth contain the "basic building blocks" for life, shedding new light on the perennial …
A press conference in Washington discusses supposed alien activity -- an increasingly common topic in the US capital