It’s time to ring in the Martian New Year with a variety of strange sights on the planet’s Northern Hemisphere.

In addition to the rare sight of the moon passing through the Seven Sisters star cluster (the Pleiades) and a chance of a new bright, long-tailed comet, there are big, planet-connected events ...

Eruptions of subglacial volcanoes may not be visible on the surface, but they can have consequences for the ice sheet. Heat ...

Climate change − a global phenomenon − can neither be confirmed nor disproven by comparing Antarctic sea ice extent on two ...

As the Arctic’s permafrost thaws, deadly microbes are being released, causing problems for humans and animals.

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