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Ripples in spacetime? Neil deGrasse Tyson and comedian Harrison Greenbaum explore black hole collisions, quantum tricks, and how gravitational waves can help us uncover the early universe with MIT physicist and LIGO researcher Nergis Mavalvala.

New research reveals how, by following different rules in the process of learning, neurons can perform multiple functions in parallel. This may have implications for human health and society, including new ways to design artificial neural networks.

Last year was a bad one for incumbent political parties and for women. One country, however, bucked all these trends: Mexico, where Claudia Sheinbaum, won the presidency in a landslide.

Without enforcement mechanisms, the Biological Weapons Convention risks leaving the world “completely unprepared”

Hands Off! Demos in Over 1,000 Elevate Resistance. Change Is Gonna Come | Playing for Change. Highlights From Cory Booker's 25-Hour Senate Speech. Tasers & Excited Delirium | John Oliver. RFK Jr. Is in Charge of Vaccines. What Now?

An international team of astronomers unveiled the most compelling evidence to date that dark energy — a mysterious phenomenon pushing our universe to expand ever faster — is not a constant force of nature but one that ebbs and flows through time.

AOC, on Fight Oligarchy Tour, Gives Speech of the Year. Imprisoned Israelis Refuse Military Service in Gaza. Why Your Brain Blinds You for Two Hours Every Day. Stripped for Parts | Documentary. Trump Demands Putin Sign Ceasefire | Puppet Regime.

These are dangerous times. Scientists globally must stand together for sound science and resist bigotry, bias and hate. To honor one of its core values — a commitment to the truth wherever it might lead — scientists must stand up when DEI matters.