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Space news: Tiny moon explorers, a debate about the expanding universe, and more.

NPR | By Regina G. Barber,

Berly McCoy

Published June 19, 2026 at 4:57 PM CDT

In this space news roundup, Berly McCoy and Regina Barber of NPR's Short Wave talk about tiny autonomous "transformers" that can explore the moon, a debate about the expanding universe, and more.

Regina G. Barber

Regina G. Barber is Short Wave's Scientist in Residence. She contributes original reporting on STEM and guest hosts the show.

Berly McCoy

Kimberly (Berly) McCoy (she/her) is an assistant producer for NPR's science podcast, Short Wave. The podcast tells stories about science and scientists, in all the forms they take.