The Delta variant boomed from 10% of all US coronavirus cases to 31% in just 11 days. It’s more dangerous than other variants and could imperil the recovery. Marianne Guenot 21 jun 2021
Costa Rica rejected a Chinese vaccine, saying it is not effective enough, as China’s shot come under increased scrutiny Marianne Guenot 17 jun 2021
China’s COVID-19 vaccines are being called into question after infections surged in countries using Chinese shots Marianne Guenot 16 jun 2021
Delta virus variant, which took over in the UK and threatens the US, doubles the risk of hospitalization, new data says. But vaccines are still effective. Marianne Guenot 15 jun 2021
Photos shows NASA’s newly-assembled megarocket, which is taller than the Statue of Liberty and its most powerful launch vehicle built since the 1960s Marianne Guenot 14 jun 2021
Photos show China’s rover on the surface of Mars, ramping up its competition with NASA to explore the planet Marianne Guenot 11 jun 2021
Stunning images show the rare solar eclipse that just partially obscured the sun across the Northern Hemisphere Marianne Guenot 10 jun 2021
Earth now has a 5th ocean, according to National Geographic, which upgraded the status of the waters around Antarctica Marianne Guenot 10 jun 2021
Prehistoric megalodon sharks might have been even bigger than previously thought. The chance discovery was made thanks to high schoolers. Marianne Guenot 09 jun 2021
Scientists revived a tiny worm-like animal after 24,000 years frozen in Siberian ice. It was still able to eat and reproduce. Marianne Guenot 08 jun 2021
