Science

Dr. Michelle Chester, right, rolls up the sleeve of Sandra Lindsay, a nurse at Long Island Jewish Medical Center, before

Photo by NASA/ Joel Kowsky via Getty ImagesNASA is planning to buy an astronaut seat on a Russian Soyuz spacecraft

Astronomers discovered the stars closest to our Solar System more than 100 years ago. There’s the three-star Alpha Centauri system

Photo by Michael M. Santiago/Getty ImagesPeople who have been fully vaccinated against COVID-19 and don’t have any symptoms don’t have

Photo by Joe Raedle/Getty ImagesNASA chose SpaceX’s heavy-lift Falcon Heavy rocket to launch the first two elements of the agency’s

Tianwen-1’s first image of Mars, captured Feb. 5 | China National Space AdministrationChina’s Tianwen-1 spacecraft successfully rolled into Mars orbit

Greek Prime Minister Kyriakos Mitsotakis receives the second dose of a COVID-19 vaccine. | Photo by YANNIS KOLESIDIS/POOL/AFP via Getty

Photo by Karwai Tang/Getty ImagesSouth Africa announced this week that it’s stopping the use of the AstraZeneca-Oxford COVID-19 vaccine after

Tesla, led by Elon Musk, confirmed that it purchased about $ 1.5 billion in bitcoin in January and expects to

UAE’s Hope probe sits in a clean room before launch.A probe from the United Arab Emirates successfully reached Mars on