If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made ...

Researchers are creating advanced simulations that will provide a deeper understanding of Mars's climatic history and help to ...

Sarah Palmer is a photographer based in Toronto. She explores pop culture and current events with a focus on the subcultures ...

Thanks to new research techniques published today, scientists say that "our understanding of why Mars is red has been transformed." ...

This story appears in the May 2019 issue of National Geographic magazine. Washington’s Mount Rainier boasts the largest collection of glaciers on a single peak in the contiguous United States.