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 ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Jellyfish have returned to the Gulf of Maine, and some can pack a nasty sting. The large lion's mane jellyfish has been seen in the waters of New Hampshire and can wash up on the shore. "They're very ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

A submarine named Ran was sent below the ice shelf in Antarctica and found some strange readings before disappearing entirely ...

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with the theme. The paper, published in The Astronomical Journal, describes them ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...