Not all of NASA’s rovers are headed to Mars. A new Earth science rover nicknamed GROVER started roaming Greenland’s ice sheet this week. The autonomous, solar-operated robot carries a ...

In 1967 Hansen went to work for NASA’s Goddard Institute for Space Studies, in New York City, where he continued his research on planetary problems. Around 1970, some scientists suspected Earth was ...

Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...

Update on 4/25: This Landsat image shows Camp Hale-Continental Divide National Monument in the winter. Congratulations to Mike and Charles for being the first readers to identify the location. Every ...

Update on 4/25: This Landsat image shows Camp Hale-Continental Divide National Monument in the winter. Congratulations to Mike and Charles for being the first readers to identify the location. Every ...

Your challenge is to use the comments section to tell us where it is, what we are looking at, and why it is interesting.

Update on 4/25: This Landsat image shows Camp Hale-Continental Divide National Monument in the winter. Congratulations to Mike and Charles for being the first readers to identify the location. Every ...

Just as the incoming and outgoing energy at the Earth’s surface must balance, the flow of energy into the atmosphere must be balanced by an equal flow of energy out of the atmosphere and back to space ...

The time it takes carbon to move through the fast carbon cycle is measured in a lifespan. The fast carbon cycle is largely the movement of carbon through life forms on Earth, or the biosphere. Between ...

Through a series of chemical reactions and tectonic activity, carbon takes between 100-200 million years to move between rocks, soil, ocean, and atmosphere in the slow carbon cycle. On average, 10 13 ...

Review the biomes. Now examine the set of temperature and precipitation graphs given below for each city. Be careful reading the scales on the graphs. Using the pull-down menus, select the correct ...

Sierra Nevada is a Spanish name that means “snowy mountain range.” While the term “snowy” has generally been true for most of American history, the mountain range has seen several years of snow ...