What do air pollution, thunder clouds and climate change have in common? Aerosols! These tiny particles, generated by everything from desert dust storms to car exhaust, play a huge role in our atmosphere, affecting our health when we breathe them in and even changing the weather. Globally, they play an even bigger role, changing how much sunlight gets throug ... Show More
Dec 2023
Special Delivery from Outer Space
On September 24, 2023, a capsule from space parachuted down into the Utah desert. Tucked inside it were 4.5-billion-year-old bits of rock and dust from a faraway asteroid named Bennu collected by the OSIRIS-REx spacecraft. These pristine space rocks, which contain carbon and othe ... Show More
38m 55s
Dec 2023
Exploring the Early Universe with Webb
The James Webb Space Telescope promised to show us “baby pictures” of the universe. Now in its second year of science, Webb is fulfilling that promise—and more. NASA scientists Jane Rigby, Taylor Hutchison, and Gerónimo Villanueva explain how they use Webb to peer back to the ear ... Show More
28m 41s
Dec 2023
A Year in Mars Dune Alpha
To prepare for the day when humans travel to Mars, NASA is conducting a one-year experiment in a Mars simulation environment. So what’s it like to spend a year in CHAPEA, the Crew Health and Performance Exploration Analog? In this season finale episode, travel through the airlock ... Show More
26m 21s
Jul 2024
#431: Ancient Universe Revealed by Webb & Space Junk Hits Home
Space Nuts Episode 431: James Webb Discoveries, Space Junk, and Ocean WorldsJoin Andrew Dunkley and Professor Fred Watson in this exciting episode of Space Nuts, where they explore the latest in space science and astronomy.
Episode Highlights:- James Webb Space Telescope Discover ... Show More
32m 34s
Apr 2024
Our Accidental Universe
Professor and presenter, Chris Lintott, talks about his new book Our Accidental Universe; a tour of chance encounters and human error in pursuit of asteroids, pulsars, radio waves, new stars and alien life. Even with incredible technological developments, the major astronomical e ... Show More
36m 14s
Jul 2025
Celestial Discoveries: The Oldest Comet, Pulsar Insights, and Axiom Space's Successful Splashdown
In this episode of SpaceTime, we explore the latest cosmic revelations, including the astonishing discovery of an ancient interstellar comet, the intricate workings of a rare pulsar, and the safe return of the Axiom 4 crew from their mission.Ancient Interstellar Comet 3I/AtlasAst ... Show More
23m 1s
Sep 2025
Water Origins: Comets, Satellites, and Rocket Fuels
Sponsor Details:This episode of SpaceTime is brought to you with the support of Insta360. Capture your adventures with their latest game-changer, the GOUltra. For a special SpaceTime listener offer, visit store.insta360.com and use the promo code SPACETIME at checkout. Help suppo ... Show More
20m 27s