NASA and the European Space Agency plan to bring samples back from Mars. Could they harbor a type of life that scientists warn could trigger mass extinctions on Earth?

Negotiators at COP30 retreated from meaningful climate action by failing to specifically mention the need to stop using fossil fuels in the final conference documents published Saturday.

Risks of a serious crisis are rising. But for disaster response, the information environment has never been worse.

The Nuclear Regulatory Commission may soon loosen radiation exposure safety standards at nuclear plants and operations.

While Big Car kills many of us quickly, in deadly collisions, it is killing many more of us slowly, by polluting the ...

President Donald Trump wrote on Truth Social, his social media site, that he had instructed the Department of War (formerly the Defense Department) to return to “nuclear testing” — although it’s ...

The new nuclear age differs from previous eras in an important way: The current era is shaped by information abundance. But that abundance comes with a paradox: With more data there is also an ...

Mark Goodman is a former senior scientist at the US State Department who specialized in nuclear policy—nuclear energy, nuclear nonproliferation, and disarmament—for 30 years. He is a non-resident ...

Aidan G. Calvelli is a PhD candidate in Politics at Princeton University and a graduate of Harvard Law School. His writing on democracy has appeared in the Annual Review of Political Science, the ...

In 1978, the Bulletin of the Atomic Scientists published a cover story titled “Is mankind warming the Earth?” The answer then, as now, was an “unqualified ‘yes.’” Between July 2023 and June 2024, the ...

Francesca Giovannini is the executive director of the Project on Managing the Atom at the Harvard Kennedy School’s Belfer Center for Science & International Affairs. In addition, she is a ...

Abi Olvera is the Bulletin‘s disruptive technologies editorial fellow. She is an Emergent Ventures-funded independent researcher and Affiliate at the Institute for AI Policy and Strategy. Olvera ...