COVID-19 cases are rising in half of U.S. states. What to know about COVID trends and the new Stratus and Nimbus variants.

South Africa’s grape-growing history dates back more than 350 years, but its sparkling wine production is a mere half-century ...

Among the most fascinating aspects of vanadium oxide is its capacity to exist in numerous polymorphic forms, each with unique ...

A new study of two-million-year-old tooth enamel has revealed surprising genetic diversity in Paranthropus robustus, a ...

South Africa has played a historic, global role in scientific research, from COVID-19 vaccines to HIV. Now that's under ...

JOHANNESBURG: Just a week had remained before scientists in South Africa were to begin clinical trials of an HIV vaccine, and ...

US restricts travel from South Africa, other countries due to omicron variant The WHO says early evidence "suggests an increased risk of reinfection" with the new COVID-19 variant.

Durban, South Africa — The Omicron variant of the coronavirus that was first detected in South Africa has now spread to at least 14 countries. Some experts believe it's likely already reached ...

South Africa’s announcement Thursday that it had identified a new, possibly highly contagious coronavirus variant sent shock waves worldwide. Stock markets fell as the United States, among other ...

South African scientists have identified a new version of the coronavirus this week that they believe may be behind a recent spike in COVID-19 infections.