The first Mars explorers will need electricity to survive -- but how do you generate power on a dusty planet where solar energy is in short supply?

If we ever hope to keep astronauts alive on Mars for a long-term visit, we'll need to figure out how to grow crops in Martian soil. Is such a thing possible?

Mars looks like a dry, inhospitable desert. So where will explorers get water from? We spoke to three experts to find out.

How will we make oxygen on Mars? To get the scoop, we spoke with experts from NASA and MIT who are building a plan to make it happen.

The first humans who visit Mars will face countless challenges, but perhaps the most difficult of all will be maintaining their mental health.

Putting people on Mars isn't as easy as loading up a rocket and blasting it off into space. Here's why it's trickier than it might seem.

In order to establish a human colony on Mars, we'll first need to get a reliable communications network built. Here's how scientists are making that happen

The first human visitors that reach Mars will face countless health risks, and when something goes wrong, there won't be doctors around to help

To get the details on what a propulsion for a crewed expedition to Mars might look like, we spoke to an expert in cutting-edge rocket propulsion systems.

We can't just bring a bunch of lumber to Mars and build a habitat when we arrive. Instead, NASA wants to make habitats with the red planet's natural resources