New U.S. government report on climate change - first in five years - due out May 6. It outlines ongoing effects of a warming climate in the U.S. Northeast.
In her short animated documentary - called Why Do I Study Physics? - Xiangjun Shi finds beauty in both the orderly world of physics and the chaos of real life.
There has been uplift and minor earthquake activity on Mount St. Helens, an active volcano in Washington state, but there are no signs that it is about to erupt.
This video shows happened in Baltimore's busy Charles Village neighborhood Wednesday, when a retaining wall buckled and sent cars and mud tumbling onto railroad tracks below.
Looking beyond the rings of Saturn, Uranus is that tiny blue dot in the upper left in this first ever image of the planet, taken by NASA's Cassini spacecraft.