The WHO and FDA are at odds over remdesivir

Over 50 million American plan on traveling for Thanksgiving. (Camila Perez/) As health officials have been warning for months, the cold weather and holiday season have resulted in intense, widespread spikes in COVID-19 infections across the country. The US saw one million new cases last week, and that number is expected to continue climbing as […]

This ‘kilonova’ shines so bright, it defies the odds

An artist’s representation of the kilonova spotted by telescopes like Hubble. Kilonovas are as much as 1,000 times brighter than typical novas. (NASA, ESA, and D. Player (STScI)/) Back in May, astronomers noted an overwhelming pulse in gamma rays on a variety of instruments. Intrigued, they scrambled to train telescopes toward the source. Their hustle […]

Asteroid Apophis is speeding up as scientists recalculate odds of 2068 impact

Astronomers say they’ll have to keep an eye on the near-Earth asteroid Apophis to see how much of a danger the space rock poses to our planet during a close pass in 2068. But don’t panic: The chances of an impact still seem very low.  Under certain circumstances, the sun can heat an asteroid unevenly, […]