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

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

Mars Perseverance rover found hundreds of complex carbon signatures in Jezero Crater mudstones - compelling evidence, but not ...

The discovery of all five nucleobases on Ryugu strengthens the idea that life’s molecular ingredients formed in space before ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very ...

LOS ANGELES — In “Disclosure Day,” in theaters now, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion ...

The fossil turned out to be a hatchling of a crocodile-like creature, and it suggests, according to a new study, that early animals did not use metamorphosis to evolve to dwell on land ...

A prominent San Francisco arts patron and her husband were mysteriously found dead in a running car on Monday evening, the California Highway Patrol said. Judith Sheldon, 84, daughter of filmmaker ...

This video explores whether alien life would really need DNA, or whether that assumption is just a product of Earth’s own biology. By looking at RNA worlds, alternative genetic molecules like XNAs, ...

Weizmann Institute of Science researchers say their statistical toolbox will be used aboard planned Israeli Aerospace Industries spacecraft, Eureka, set to reach Jupiter's smallest moon in the 2030s ...