What is this weird golden orb from the seafloor?

Scientists have retrieved a weird object from the Gulf of Alaska. Dubbed the "golden orb," it's still a mystery. But now we know it's biological in origin.

Avi Loeb and ‘Oumuamua. Why the controversy?

Astronomer Jason Wright, of the blog AstroWright, explains why the recent work of Avi Loeb is seen as outrageous by some.

Did Europa’s carbon dioxide come from its ocean?

Two new studies suggest that Europa's carbon dioxide deposits originate in the moon's subsurface ocean. The results support a habitable ocean environment.

Pablo Neruda, a poet who embraced cosmic beauty

Pablo Neruda was a famous Chilean poet who wrote: "Every day you play with the light of the universe." Neruda died on this date, September 23, in 1973.

Extreme rainfall and flooding as Earth warms

Global warming puts more water vapor in Earth's atmosphere. The water vapor will fall out of storms in extreme rainfall and flooding.

There may be less water ice on the moon than we thought

We know there is water ice on the moon. But a new study suggests there is less of it in the moon's permanently shadowed regions than we previously thought.

Florida’s bleached corals get emergency sunshades

Scientists constructed sunshades over bleached corals in two of Florida's national parks in an effort to protect them from further damage.

Ants, little but tough: Lifeform of the week

Ants are common insects with unique capabilities. They can harvest, herd, milk, and build amazingly complex and stable underground cities.

Closest black holes yet in famous Hyades star cluster?

Researchers in Europe say that they may have found the closest known black holes to Earth, in the Hyades open star cluster 150 light-years away.

Stunning new images from Chandra X-ray Observatory

Check out these new images from Chandra X-Ray Observatory. They show exploding stars, galaxies, the Milky Way's galactic center, and more.