3 Spacecraft Arriving on Mars in Quick Succession


CAPE CANAVERAL, FLORIDA – After hurtling hundreds of millions of kilometers through space since last summer, three robotic explorers are ready to hit the brakes at Mars. The stakes — and anxiety — are sky high. The United Arab Emirates’ orbiter reach…

South Africa Suspends Use of AstraZeneca Vaccine


South Africa suspended its vaccination campaign against COVID-19 Sunday after a new study revealed that the AstraZeneca vaccine is less effective against a variant of the virus found in the country. The study, conducted by the University of the Witwate…