The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

A new book explores how one biologist’s work at the North and South Poles changed the way he sees the world and our place in ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been ...

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

NASA’s PRIME-1 mission aims to analyze lunar ice and subsurface resources to support long-term Moon exploration.

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

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New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Singles, couples, groups of friends - pole-dance classes are seeing all kinds of applicants. Sanchay Puri’s tufting studio, Go Rug Yourself, is a surprise hit. Everyone wants to make their own rugs.

Eventually, the gas escapes through weak spots in the ice. It can erupt into geysers that spread darker ... This HiRISE image shows different dark shapes and bright spots on sand dunes in Mars' North ...