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WASHINGTON - After denying the existence of climate change for a decade, many leading Republicans are changing attitudes amid deadly heatwaves, devastating droughts and wildfires that have battered their districts and unnerved their…

WASHINGTON — Juliette Hart quit her job last summer as an oceanographer for the United States Geological Survey, where she used climate models to help coastal communities plan for rising seas. She was demoralized after four years of the…

A man wearing a face mask as a preventive measure against Covid-19 walks down an empty street in Chinatown.Wong Fok Loy | SOPA pictures | LightRocket via Getty ImagesThe Covid-19 outbreak in Malaysia has become one of the worst in the…

As coronavirus cases resurface across the country, many vaccine Americans are losing patience with vaccine holdouts who they believe neglect a civic duty or cling to conspiracy theories and misinformation, even as new patients arrive in…

Top infectious disease specialists say the spread of the Delta variant over unvaccinated parts of the country is causing flares and spikes in hospital admissions as cases rise.The number of cases is on the rise again nationwide, as the…

Chameleon eye | iStock | Getty ImagesSuicide attempts increased among 12 to 17 year olds, especially teenage girls, during the Covid-19 pandemic and got worse the longer the social distancing orders and bans on, according to new data from…

In a state-of-the-art laboratory in an industrial district on Vancouver Island, British Columbia, employees in protective suits move around two transparent boxes, taking care not to damage the tubes and sensors that keep the temperature and…

Centers for Disease Control and Prevention Director Rochelle Walensky says ahead of a House Select subcommittee hearing on "Reaching the Light at the End of the Tunnel: A Science-Driven Approach to Ending the Pandemic Quickly and Safely" at…

Since the pandemic began, mental health experts have feared that grief, financial distress, and social isolation could put an unbearable strain on the American psyche. Some warned that the coronavirus created the "perfect storm" for a…

CNBC's Jim Cramer on Wednesday announced a handful of stocks that he believes will do well in the emerging "hybrid world".The Mad Money host anticipates many people will follow some pandemic routines as Covid-19 health constraints ease and…