Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

A newfound amoeba just set a heat-tolerance record for multicellular organisms, widening the range of environments in which ...

A new study suggests signs of possible life on Saturn’s icy moon Enceladus could be easier to detect than expected.

Read an exclusive excerpt of her new book as Dr Seven Rasmussen reveals where she would look for life in the Solar System.

Enceladus is hardly an inviting place. It sits 1.5 billion kilometers from the Sun, covered by a thick frozen exterior. Yet ...

An artist's impression of the Habitable Worlds Observatory that will search spectroscopically for biosignatures on exoplanets. . | Credit: NASA's Goddard Space Flight Center Conceptual Image Lab.

Dragonfly - a nuclear-powered robotic rotorcraft - will fly between locations on Titan and investigate its surface and atmosphere.

If ancient extraterrestrial explorers ever traipsed through Earth's cosmic neighborhood, it's possible they left behind some interstellar litter in their wake. Think of it like the loose hubcaps on ...

A new look at ancient rocks suggests that a self-sustaining nutrient cycle in ancient oceans helped keep Earth's atmosphere ...

Previous research has shown that complex multicellular organisms could only reproduce in temperatures up to 140 degrees.

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