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 ...

Our current political climate is just as unusual and concerning as the current state of our planetary climate.

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 ...

Dr. Alex Hanna is Director of Research at the Distributed AI Research Institute (DAIR) and a lecturer in the School of Information at the University of California Berkeley. She is an outspoken critic ...

Karen McVeigh has been a senior news reporter for the Guardian since December 2006. Before that, she freelanced for the Times following a five-year stint as The Scotsman’s London correspondent ...

Nina Lakhani is a senior reporter for Guardian US.

Suzet McKinney is a former Bulletin Science and Security Board member. She is the principal and director of Life Sciences for Sterling Bay where she oversees relationships with the scientific, ...

Bill Taber is a mathematician at NASA’s Jet Propulsion Laboratory in Pasadena, California. Over the last 42 years he has overseen and participated in the development of the ground software systems ...