With evidence pointing to serious kidney challenges, careful planning will be needed to keep crews healthy on space journeys ...

By Andrew Paul Published Mar 31, 2025 3:26 PM EDT A unique set of risks and challenges await the first astronauts on Mars. Deadly solar radiation, nighttime temperatures regularly dropping lower ...

The picture shows a strange square shape on a region of Mars around 3 kilometres (1.9 miles) wide, igniting a debate over social media and Reddit. Some users think the photo shows remnants of an ...

Let's look at the main risks NASA is studying and working on to make sure the Mars mission is safe and successful. One of the most significant threats to astronauts heading to Mars is space radiation.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Toxic dust on Mars ...

NASA's Perseverance rover landed on Mars in 2021 to search for signs of ancient microbial life and to help scientists ...

Robert Zubrin, likely the planet’s leading strategist for landing humans on Mars ... spacecraft ever to speed astronauts to the Red Planet. Yet Dr. Zubrin tells me SpaceX founder Elon Musk ...

The NASA astronauts who months ago flew to space aboard ... But if you missed Wilmore and Williams' return to Earth, here are photos of the Dragon's landing, followed by the four spacefarers ...