Landsat—The watchman that never sleeps

In western North America, mountain pine beetles infest and ravage thousands of acres of forest lands. Landsat satellites bear witness to the onslaught in a way that neither humans nor most other satellites can.

NASA sees Tropical Cyclone Amos threatening American Samoa

As the seven islands of American Samoa were bracing for Tropical Cyclone Amos, NASA's Aqua satellite saw the storm affecting the Southwestern Pacific Islands of Wallis and Futuna. Warnings were already in effect for American ...

NASA sees birth of Tropical Cyclone 20P, threatens American Samoa

As Tropical Cyclone 20P formed in the Southern Pacific Ocean NASA's Aqua satellite analyzed storm cloud top temperatures while the RapidScat instrument looked at surface winds. The National Weather Service in Pago Pago expects ...

page 10 from 24