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

Why didn’t the United States annex Canada during earlier historical periods? In short, because it didn’t want to. President ...

When the United States Mint was created in 1792, one of the first coins it made was the one-cent coin. The image on the first ...

Mostly sunny with a high of 83 °F (28.3 °C) and a 51% chance of precipitation. Winds from NE to NNE at 8 to 11 mph (12.9 to 17.7 kph). Night - Mostly clear with a 31% chance of precipitation ...

With the first 20 Africans brought to Virginia in 1619, the United States initiated a labor system characterized by extreme ...

Night - Clear. Winds W at 17 to 19 mph (27.4 to 30.6 kph). The overnight low will be 22 °F (-5.6 °C). Sunny with a high of 30 °F (-1.1 °C). Winds W at 15 to 22 mph (24.1 to 35.4 kph). Snow ...

When some of the most valuable datasets in human history briefly vanished from U.S. government websites, it felt like ...