More than 100 of Earth's largest telescopes are now closed, and astronomers are worried about the pandemic’s long-term impacts on their field. ...read more
U.S. health officials flipped their advice and now recommend everyone wear cloth masks in public to reduce the spread of coronavirus to others. Some cities have fines for going without masks. ...read more
Studies have shown how lungs are more susceptible to pollution, and that people in polluted areas are more susceptible to respiratory infections. ...read more