Superstars

Exoplanets, Planets

Sara Seager: The latest on exoplanets

Exoplanets, Planets, Solar System

Heidi Hammel: Exploring ice giant planets

Cosmology, Solar System

Martin Rees: Origin and fate of the universe

Solar System

Michael Rampino: How long will life last on Earth?

Stars

Gerard van Belle: The lives of stars

Alien Life

Seth Shostak: Life in the universe

Deep-Sky Objects

Bruce Balick: The death throes of Sun-like stars

Human Spaceflight, Robotic Spaceflight, Solar System

Rusty Schweickart: From the Apollo program to the asteroid threat

Cosmology, Milky Way

Abraham Loeb: From cosmic origins to our galaxy’s fate

Exoplanets, Planets, Robotic Spaceflight

Debra Fischer: All About Exoplanets

Exoplanets, Planets, Robotic Spaceflight, Solar System

Alan Stern: New Horizons and Pluto

Exoplanets, Planets, Stars

Garik Israelian: From Stars to the Starmus Festival