This week in space news: Artemis II next steps and a mysterious interstellar visitor

NPR | By Scott Detrow,

Nell Greenfieldboyce, Regina G. Barber

Published April 27, 2026 at 5:24 PM EDT

NPR's Scott Detrow talks with Regina Barber and Nell Greenfieldboyce about the Artemis moon missions, the "seismic quiet" during a solar eclipse, and the origins of a mysterious interstellar visitor.

Scott Detrow

Scott Detrow is a White House correspondent for NPR and co-hosts the NPR Politics Podcast.

See stories by Scott Detrow

Nell Greenfieldboyce

Nell Greenfieldboyce is a NPR science correspondent.

See stories by Nell Greenfieldboyce

Regina G. Barber

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

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