Easter reminds us that life is a cycle of what appears to be death and rebirth. In cooler climates, it is what we learn by ...

Samples drilled by the Curiosity rover on Mars have revealed abundant signs of a carbon cycle that remained hidden from ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.

New research suggests that the unexpected intensity of the ongoing solar maximum may be partly tied to a lesser-known, ...

Our sun, like all stars, is made mostly of hydrogen and helium. They are by far the most abundant elements, formed in the ...

The philosopher and biographer analyzes works of life-writing that straddle fact and fiction, and what makes them art.