How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

Antarctic sea ice is more than just a platform for penguins. The sea ice's high reflectivity influences the whole Earth's ...

Extreme lows in sea ice induce many changes in the physical, ecological, and societal systems of Antarctica and the Southern Ocean. A: an average sea ice summer. B: an extreme low sea ice summer. In B ...

Researchers find a mineral called djerfisherite in a Ryugu grain, which supposedly forms in circumstances that the asteroid ...