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

A woman with long hair stands confidently with crossed arms next to a pickup truck.

In her memoir All That's Unseen, Emilee Hackney explores religion, friendship, and home.

Assorted national flags arranged on a stack of books against a green background.

A new federal rule sparks uncertainty for graduate students.

Explore More From Current Issue

Five individuals are posed in a monochrome outdoor setting near a cinderblock building, some standing, some seated.

Visual Arts

Photographer and writer Morgan Smith chronicles life beyond the violence in Ciudad Juárez and other Mexican towns.

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Research

Harvard scientists identify hundreds of genes under selective pressure.

Star-filled night sky with the Milky Way arching over a rocky silhouette.

Science

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