A trip to Mars sounds exciting, but survival is far from guaranteed. This video explores the biggest challenges astronauts would face, from radiation exposure to long-term isolation. It’s a look at ...

(TNND) — Mars is cold, has a very strong radiation environment, no magnetic field, a very low-pressure atmosphere, and it's all carbon dioxide, so you can't breathe there. There are no nutrients to ...

It's time now for our science news roundup from Short Wave, NPR's science podcast. I am joined by the show's two hosts, Regina Barber and Emily Kwong. Hi, y'all. EMILY KWONG, BYLINE: Hi. REGINA BARBER ...