NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

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

Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...

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

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 ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

When interest rates are low, small-cap stocks begin to shine and outpace larger companies in value. These stocks are stocks with a market capitalization between $300 million and $3 billion.