Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Discover how rocks, minerals & the rock cycle change your world. Join the Science Trek team to explore rocks and minerals! Discover how the Earth formed, the three types of rocks, the rock cycle, and ...

When we try to commune with nature, many of us turn toward the living: a walk in the woods among swaying trees, chirping birds, blooming flowers. But earth scientist Anjana Khatwa says not to overlook ...

Cement production alone currently accounts for about 8 percent of global CO 2 emissions, so considerable effort is going into ...