Their tweets said they were concerned. Their actions said otherwise.

The great discoveries of the age captivated his imagination. He almost always misunderstood them.

Helen Scales’s fascinating book about life in the deepest parts of the ocean carries a powerful warning.

A collection of well-funded UFO obsessives are using their Capitol Hill connections to launder some outré, and potentially dangerous, ideas.

Why we must do everything differently to ensure the planet’s survival

Two new books shed light on the different ways we view the business of existing.

Vaccine distribution is accelerating in the U.S. There are still several ways we could screw this up.

The promise of negative emissions is baked into most “net zero” pledges. But putting that into practice is easier said than done.

By “herd immunity,” the Trump administration means people should be encouraged to catch the coronavirus.

The logging industry has long promoted science suggesting logging suppresses fire. A lot of recent research disagrees.

The first vaccine may not even be 50 percent effective. But that will still help to bring the coronavirus pandemic under control.

Trump’s Covid-19 mismanagement has led to top journals criticizing him as the election nears. But conservative disregard for science goes way back.

So-called monoclonal antibodies could help treat patients, protect at-risk groups, and also improve vaccines.

A deep dive into what the research says about the question on every parent’s mind

What the country’s response to the coronavirus pandemic means for the global fight against climate change

New research is upending early public health advice. That’s going to continue as researchers understand the virus better.

How a new class of outsider experts is exploiting institutional failures and destabilizing knowledge

The conspiracy theory sprung from an amateur YouTube video. Then, the National Review picked it up.

That’s bad news for all of us, particularly when it comes to research relevant to our current crises.

Harnessing climate anxiety to help convince others