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Pluto Isn’t a Planet

In 2006, the International Astronomical Union adopted a definition of...

A detailed image of the dwarf planet Pluto

Forging Better Futures for You and AI

In this last lecture, I will work to wake us...

A robotic hand holding a silver cloche and tray

The Sky at Night, Tonight: A New View of the Changing Sky

On a remote mountain top in Chile, scanning the sky...

The Vera C. Rubin Observatory illuminated at night under a sky filled with the Milky Way galaxy

Taming AI

In this lecture, we look at proposals to limit AI...

A robotic hand with a microphone attached to its forearm plays a piano

The Universe’s 100th Birthday: Galactic Fireworks and Little Red Dots

100 years ago this year, Edwin Hubble published the first...

Interacting spiral galaxies Arp 273, with the larger galaxy tidally distorted into a rose-like shape by its companion

Born Supremacy – AI as a Pale Shadow of Real Humanity

In this lecture, we glimpse our best selves and compare...

robot hand holding paintbrush

The Shape of Gravity: Why On Earth Are Planets Spherical?

We often take for granted that planets, shaped by the...

Abstract image featuring translucent, glowing bubbles in shades of pink and blue, suspended around a thin diagonal line against a dark background

Music of Earth and Space

Since Pythagoras, we have imagined the universe as a vast...

Black over-ear headphones with a galaxy image inside the earcups

The Price of Pixels: Unmasking the Environmental Impact of Our Digital Lives

Our digital world's convenience masks a heavy environmental cost. This...

A close-up of a Raspberry Pi 4 circuit board partially buried in soil

Alien Earths: What Makes Us Special?

Sometime in 2026, we will discover our 10000th exoplanet, a...

Two planets against a backdrop of a glowing blue nebula and scattered stars