So why are at-home tests still so pricey and hard to find in the United States?
How rapid antigen tests work.
Will omicron – the new coronavirus variant of concern – be more contagious than delta? A virus evolution expert explains what researchers know and what they don’t
A microbiologist answers 5 questions about how Moderna and Pfizer could rapidly adjust mRNA vaccines
Why even 1% of light speed is hard.
A telescope in the outer solar system would be able to do unique science that is impossible closer to the Sun.
Congress should move the entire country to year-round DST
Two vaccines – the Johnson & Johnson vaccine in the U.S. and the AstraZeneca vaccine in Europe – have been linked to an increased chance of a rare type of blood clot.
R. O. Parke Loyd, Arizona State University The Sun isn’t the only star to produce stellar flares. On April 21, 2021, a team of astronomers published new research describing the brightest flare ever measured from Proxima Centauri in ultraviolet light. To learn about this extraordinary event – and what it might mean for any lifeContinue reading “Massive flare seen on the closest star to the solar system: What it means for chances of alien neighbors”
Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo.