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Doctors say a gene therapy that makes use of the AIDS virus has given a working immune system to 48 babies and toddlers who were born without one.

The reassurance comes as California continues to report one of the lowest per-capita daily coronavirus case counts of any state in the U.S.

The Biden administration’s 30x30 conservation plan demands restoration of the two Utah national monuments that President Trump eviscerated.

NASA’s new administrator is big on tackling climate and diversifying the agency’s workforce

NASA is sharing sounds of its little helicopter humming through the thin Martian air.

The authorization potentially paves the way for millions of the doses to reach needy countries through a U.N.-backed program rolling out vaccines.

In the COVID-19 era, my 12-year-old played more video games than ever. What kind of parent was I to allow this? But then I talked to experts.

China says the rocket section that is about to plunge to Earth will mostly burn up on reentry, posing little threat to people and property below.

Cutting the greenhouse gas methane quickly and dramatically is the world’s best hope to slow and limit the worst of global warming, a U.N. report says.

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Teams of experts also warn that a ‘substantial increase’ in hospitalizations and deaths is possible if unvaccinated people do not follow precautions.

An up-close view of how the coronavirus infects cells in the brain and spinal cord helps explain the neurological symptoms of some COVID-19 patients.

The U.S. Food and Drug Administration is expected to authorize Pfizer’s COVID-19 vaccine for young adults ages 12 and older by next week, setting up shots for many before the beginning of the next school year.

Last year the World Health Organization launched a program that aimed to scale up production of COVID-19 vaccines in Latin America, Asia and Africa. Pfizer and Moderna refused to participate.

‘Long COVID’ patients may be at risk from a possible second pandemic of opioid addiction, given the high rate of painkillers being prescribed to them.

The CDC says fully vaccinated Americans don’t need to wear masks outdoors anymore unless they are in a big crowd of strangers.

Covid-19 Vaccines

Biden last week set a goal of delivering at least one dose of vaccine to 70% of adult Americans and fully vaccinating at least 160 million by July 1.

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