Historic data and predictions suggest cases will rise in East Africa and southern regions, while the threat may ease in West and Central Africa.

Scientists have finally seen a long-predicted motion on the sun, and it may help explain explosive solar activity.

Parasite-induced cases of explosive diarrhea are sweeping the United States. Containing the outbreak won’t be easy.

At least a dozen animals have been found with the flesh-eating maggots. It could take more than a year to eradicate the parasite again, experts warn.