NASA finds Tropical Cyclone Joaninha maintaining an eye

Tropical Cyclone Joaninha is not yet ready to close its eye and weaken. Visible imagery from NASA's Terra satellite showed Tropical Cyclone Joaninha maintaining an eye thanks to low wind shear and warm sea surface temperatures.

Long, cold winter won't affect fire season, says expert

Alberta's long, cold winter won't do anything to dampen the 2019 wildfire season, but being extra careful when working and playing in the forests this spring could help, says a University of Alberta expert.

Counting the cost of last summer's NZ heatwave

As the Australian heatwave is spilling across the Tasman and pushing up temperatures in New Zealand, we take a look at the conditions that caused a similar event last year and the impacts it had.

As solar wind blows, our heliosphere balloons

What happens when the solar wind suddenly starts to blow significantly harder? According to two recent studies, the boundaries of our entire solar system balloon outward—and an analysis of particles rebounding off of its ...

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