Skittles in the US are no longer being made with titanium dioxide, a colour additive that was banned in the European Union in 2022 over possible health risks. Sweets giant Mars said it had stopped using the ingredient in its US Skittles portfolio at the end of last year.

A new study posits that dark streaks originally believed to be signs of water on Mars' surface might not be that at all.

NASA hasn't landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet's surface than they did when the movie was released.

I'm incredibly excited, as part of the Ars Live series, to host a conversation with three of the very best space reporters in the business on Thursday, May 29, 2025, at 3 pm EDT about the future of NASA and its deep space exploration ambitions.

SpaceX is investing staff and money in its new and powerful Starship rocket, hoping to have it ready for a trip to Mars as early as next year.

Researchers at the University of Rochester say some Martian soil looks like it's been shaped like we see on earth's coldest climates — think the arctic. But, there are a lot of things to ponder.

The midyear Boxscore report tracks tours between Oct. 1, 2024, and March 31, 2025.

Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.