At 5 a.m. EST (0900 UTC) on March 23, the center of Tropical Cyclone Nora was 438 nautical miles east-northeast of Darwin, Australia near 11.0 degrees south latitude and 138.5 degrees east longitude.

The biggest stories of the day delivered to your inbox.

On Feb. 15 at 0224 UTC (Feb. 14 at 9:24 p.m. EST) NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Cyclone Gita in the South Pacific Ocean. Disclaimer: AAAS and EurekAlert!

Australians living on the northwestern coast are bracing for heavy rain and thunderstorms as experts monitor two potential tropical cyclones. There is a high risk of a tropical low - called 29U ...