Earth ejecta, for instance, could hold Earth life.

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the ...

Living on Mars will be no easy feat. Building viable living quarters would require an inflatable habitat that can be covered ...

From the flamboyant blossoms and birds of rainforests to the living rainbows of coral reefs, Earth’s surface is teeming with ...

Discover how scientists blend biology, synthetic biology, and astrobiology to speculate on alien life forms, focusing on the ...

The team remains a ways off from showing that this is how life on Earth truly began, but the scenario they tested probably mimics one of the earliest stirrings of evolution, a concept described by ...

Researchers have innovatively merged protein structural data with genetic sequences to construct evolutionary trees, ...

On the plains of Britain and in the jungles of Central America, ancient civilizations sought meaning in the stars. Discover ...

Three-million-year-old tools found in Kenya reveal early humans' ability to cut food, butcher meat, and adapt to new diets.

Inside a giant sphere, the engineers pored over their equipment. Before them stood a silvery metal contraption swathed in ...

Scientists are very interested in these extremophiles—forms of life that can withstand extreme conditions—because their attributes could have implications for industries on Earth and shed ...