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For Ytasha Womack, the Afrofuture is Now

The writer and filmmaker discusses the blend of theoretical cosmology and Black culture in Chicago’s newest planetarium show.

By Katrina Miller

Lewis Branscomb, Champion of Science Across Fields, Dies at 96

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Lewis Branscomb, Champion of Science Across Fields, Dies at 96

He led scientific advances at I.B.M. and within the federal government during a career that spanned the space race and the dawn of the internet.

By Daniel E. Slotnik

Get Ready to See More of the Northern Lights

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Get Ready to See More of the Northern Lights

Over the past few months, viewings of the lights have increased in areas farther south than usual. That’s going to continue into 2025.

By April Rubin

It’s Official: The Leap Second Will Be Retired (a Decade from Now)

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It’s Official: The Leap Second Will Be Retired (a Decade from Now)

On Friday, an international vote was taken to ditch the leap second, a technical fudge that has caused headaches since its inception 50 years ago.

By Alanna Mitchell