Videos | April 17, 2024

Harvard Professor Avi Loeb on Signs of Life Beyond Earth

Loeb is on a mission to answer the question: are we alone in the universe?

Baird Jr. professor of science Avi Loeb explains meteorites, interstellar objects, and his ocean expedition to find materials left over from a meteorite in the Pacific Ocean.

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How AI Is Reshaping Supply Chains

Harvard Kennedy School lecturer on using AI to strengthen supply chains

This Astronomer is Sounding a Warning on ‘Space Junk’

As debris accumulates in low Earth orbit, the danger of destructive collisions continues to rise.

Understanding AI Vulnerabilities

As artificial intelligence capabilities evolve, so too will the tactics used to exploit them.

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As weight loss medications become more common, Daniel Lieberman discusses the importance of preserving muscle.

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There’s a growing movement to curb light pollution. It starts on your front porch.

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An animal’s journey from grief to love shows how much humans need each other, too.

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Alumni Profiles

Harvard graduate and NASCAR racer Patrick Staropoli on pedals, attention, and fearlessness.

A woman with long, silver hair rests her chin on her hand, wearing a black top.

Arts & Culture

Author and Harvard Divinity School writer-in-residence Terry Tempest Williams finds beauty in the world around us.

Science

There’s a growing movement to curb light pollution. It starts on your front porch.