In this week's episode of Astronomy News with The Cosmic Companion, we look at a new study suggesting the Universe is expanding faster than it should be, we travel to a solar system with four very different worlds, and we explore how dust on alien worlds can affect the development, as well as the discovery, of extraterrestrial life.Finally, we interview Dr. Matija Ćuk, a research scientist at the SETI Institute, discussing his recent discovery that Mars may have been accompanied, from time to time, by systems of rings.Watch the video version of this episode:Matija Ćuk, research scientist at the SETI Institute, discussing his recent discovery that Mars may have been accompanied by systems of rings in the distant past.This podcast is also available from all major podcast providers.Coming June 23: Tyler Gorda from the Department of Physics at the University of Virginia, talking about his work discovering the newest state of matter – quark matter, which could make up much of the material in neutron stars. June 30 and July 7: No shows, as we move into a larger, permanent studio and upgrade equipment. (We had technical difficulties with this week’s episode including damage to the camera a day after placing an order for a new camera). If you enjoyed this episode of The Cosmic Companion, please download and share the episode on YouTube, Facebook Video, or any major podcast provider.For more details on space and astronomy news, please visit: thecosmiccompanion.net or thecosmiccompanion.com.Thanks for watching, listening, and sharing!- James Get full access to The Cosmic Companion at thecosmiccompanion.substack.com/subscribe--- Send in a voice message: https://anchor.fm/the-cosmic-companion/messageSupport this podcast: https://anchor.fm/the-cosmic-companion/support Get full access to The Cosmic Companion at thecosmiccompanion.substack.com/subscribe