The Heartland virus, which is spread by lone star ticks, was first identified in Missouri in 2009.
Pilot whales frequently strand at Farewell Spit, a remote beach.
Equinoxes occur twice a year when the sun is directly above the equator, and herald the beginning of spring and autumn.
Russia claims to have used its Kinzhal hypersonic missiles for the first time, in its invasion of Ukraine. Here's why these super-fast weapons are so concerning.