Explore the Drake Equation, a formula created to quantify the odds of detecting extraterrestrial life, and the arguments for ...

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present life. It must be something that cannot be produced without life. Some examples ...

A swarm of galaxies called the Bullet Cluster is the biggest, best natural laboratory for studying dark matter that ...

Made out of a fluorescent protein, the qubit is just 3 nanometers in diameter, scientists report August 20 in Nature. By hitting the protein with laser light, tweaking it with microwaves and observing ...

More than a decade ago at UT Southwestern, scientist Steven McKnight chased a compound that turns stem cells into beating ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine the sample more closely to know for sure ...