Monday's science stories

Severe weather, tornadoes threaten Southern states

This weekend's extreme weather conditions, that included damaging thunderstorms and tornadoes in several Southern states, will continue through the first half of this week, reports the Washington Post.

Why it matters: More than 100 million Americans are facing an "elevated threat of thunderstorms" on Monday, some of which could prove severe, per the Post.

May 3, 2021 - World

Argentina surges past 3 million COVID cases

A health worker walks past a COVID-19 testing center in Buenos Aires, Argentina, in April. Photo: Florencia Martin/Picture Alliance via Getty Images

Argentina surpassed 3 million COVID-19 cases since the pandemic's start Sunday amid reports of hospitals operating at capacity.

The big picture: Argentina's government last week imposed new restrictions following new national records for cases and deaths in April. Argentine health workers told Reuters hospitals are "full" and the "stalled" vaccine rollout needed to be stepped up to curb the spread. "The health system does not support one more patient," one health worker said.

Miriam Kramer, author of Space
May 2, 2021 - Science

Four astronauts delivered back to Earth by SpaceX

Photo: NASA

An international crew of four astronauts is back on Earth after a long-duration stay on the International Space Station.

The big picture: Sunday's splashdown in the Gulf of Mexico marks the end of SpaceX's first fully operational crewed mission to the space station.