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For adults previously infected with COVID-19, a new study shows that vaccines do a better job at protecting you from reinfection...
Characterized by massive pulsating X-ray flares, Jupiter's northern lights were first discovered 40 years ago.
Scientists are explorers of the unknown, seeking to understand the world as it exists now and millions of years ago.
About 19 million years ago, roughly 90% of the world's open-ocean sharks died off, and scientists don't know why.
The largest moon in our solar system is preparing for its first close-up in more than 20 years on Monday.
How long is a person immune after having COVID-19, after getting vaccinated, or both? And what could long-lasting immunity mean for booster shots?
The Seychelles is a reminder that even after widespread vaccinations, infections are unlikely to stop completely.
The Seychelles is a reminder that even after widespread vaccinations, infections are unlikely to stop completely.
One threat to getting the pandemic under control is the spread of more transmissible variants, but studies have found that vaccines still work to get them...