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

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

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 ...

These spheres from the abyss conceal creatures with startling biology.

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

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

Snowfall deep inside East Antarctica has increased in recent decades, and distant ocean temperature changes may be partly responsible. Using long-term climate data and observations from Dome Fuji ...