Can a planet have a planet?

Venus is slowly returning to the evening sky, marking the re-emergence of one of the best naked-eye objects. Find out what else is happening with the planets, the Moon, stars constellations and deep-sky objects in April 2026 Learn more about your ad choices. Visit podcastchoices. ...  Show more

Radio astronomer Dr Emma Chapman reveals how radio waves enable scientists to explore the cosmos, from mapping Venus to searching for alien life and discovering the origins of the Universe. Learn more about your ad choices. Visit podcastchoices.com/adchoices