Laura Helmuth of Scientific American says the decision to break tradition was both unanimous and quick: "We took this decision very seriously. You don't give up 175 years of tradition for nothing."

The Bobcat Fire came within 500 feet of the observatory on Tuesday. The same dry, isolated conditions that make Mount Wilson susceptible to fire also made it perfect for stargazing.

President Trump says there could be widespread distribution of a vaccine against the coronavirus in a much shorter timeline than described by the CDC.

The sun can affect people's electronics, the power grid and communications and navigation systems. But scientists predict that for the next decade or so, the sun's activity will not be too disruptive.

Facebook is launching a page focused on climate change facts. Facebook's Nick Clegg talked with NPR about the company's steps to stop misinformation on climate change and other issues.

The alarming wildfires on the West Coast are again putting the spotlight on climate change. But it's not the only reason why we're seeing so much destruction and lives lost.

These homeowners are eligible for federal help, but a new report finds that FEMA often fails to provide that assistance.

On the other side of the country Joe Biden also addressed the fires, linking them to climate change.

Scientists have found a gas associated with living organisms in a region of Venus' atmosphere. They can't figure out how it got there if it didn't come from life.

David Legates, a professor whose research has been supported by fossil fuel companies, has been hired for a top position at the federal agency that oversees weather and climate forecasting.