Johnson & Johnson said on Monday it had selected a lead candidate vaccine for the new coronavirus that would move to human trials by September and could be ready for emergency use by early next year.

A senior U.S. scientist issued a cautious prediction Sunday that the novel coronavirus could claim 100,000 to 200,000 lives in the United States.

NASA said it has suspended work on building and testing the rocket and capsule for its Artemis manned mission to the Moon due to the rising number of coronavirus cases in the community.

Earth has acquired a second "mini-moon" about the size of a car, according to astronomers who spotted the object circling our planet.

Iran said it "successfully" launched a satellite Sunday but failed to put it into orbit, in a blow to its space program that the U.S. alleges is a cover for missile development.

Chinese researchers investigating the animal origin of the deadly coronavirus outbreak in China said Friday the endangered pangolin may be the "missing link" between bats and humans, but other scientists said the search may not be over.

NASA's Christina Koch returned to Earth safely on Thursday after  shattering the spaceflight record for female astronauts with a stay of almost 11 months aboard the International Space Station.

A massive, decade-long study sequencing the genomes of dozens of cancers has revealed the secrets of how tumors form and may pave the way for better and more targeted treatment. 

Europe's physics lab CERN on Wednesday said it had stopped using a Facebook team-chat application because of concerns about handing over data to the U.S. tech giant.

A huge telescope built on the peak of a Hawaiian island has produced pictures of the Sun's surface in unprecedented detail, revealing boiling plasma cells the size of Texas.