Monitoring solar activity

Living near a star is risky business, and positioning a spacecraft near the sun is a very good way to observe rapidly changing solar activity and deliver early warning of possibly harmful space weather. ESA is now looking ...

Alaska quake shows complexity of tsunami warnings

The powerful earthquake that struck beneath the Gulf of Alaska early Tuesday generated a tsunami, but before gauges could show that it was very small, warnings went out to a vast swath of the state and British Columbia, while ...

Sizing up new car-safety technology

We are in a new era of car safety: The focus has shifted from reducing death and injury in a vehicle collision to preventing a crash from happening in the first place. Safety features designed to avoid accidents are becoming ...

Agricultural groups challenge California weed-killer warning

A coalition of a dozen national and Midwestern agricultural groups sued on Wednesday to overturn a California decision that could force the popular weed-killer Roundup to carry warning labels that it can cause cancer.

NASA sees Tropical Storm Saola near Guam

Infrared data from NASA satellites helped confirm that former Tropical Depression 27W has strengthened into a tropical storm near Guam. The storm has been renamed Tropical Storm Saola and NASA's Aqua satellite analyzed the ...

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