A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

What makes something alive? We simply don't know, but synthetic biologists are a step closer to providing an answer thanks to ...

This cell-like structure can grow, feed, divide and compete. Researchers ponder what it means for the future of synthetic ...

Scientists say they have built a cell from scratch for the first time that feeds, grows and replicates like a natural cell, a ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

Scientists propose a simple but powerful new method for detecting traces of alien biology, whether on Jupiter's icy moons, in ...

The Trump administration has a history of disappointing releases of confidential material: on aliens, Covid-19 and Jefferey ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

For decades, astrobiology has been guided by one haunting question: Are we alone in the universe? The field’s mission is to test the possibility of extraterrestrial life, but the search is anything ...

Space agencies have spent decades designing life-detection instruments around a single idea: biology leaves specific molecules behind. Send the right probe, find the right chemicals, and the question ...

For decades, the search for life beyond Earth has revolved around a key question: What molecules should scientists be looking for on other planets or moons? A new study, published in Nature Astronomy, ...

For decades, the search for life beyond Earth has revolved around a key question: What molecules should scientists be looking for on other planets or moons? A new study, published in Nature Astronomy, ...