Mars

NASA's Perseverance Mars rover has found yet more chemical signatures that could be associated with ancient Red Planet life — but we need to examine them here on Earth to fully understand them.

In the not-too-distant future, "artificial astronauts" could fly as actual crew members on human missions to Mars, and elsewhere in space.

A recent close-up shows a turtle-shaped rock on the surface of Mars, captured by NASA's Perseverance rover.

Data from NASA's InSight lander suggests there's a chunky mix beneath the surface of Mars.

As part of its exploration of Mars's boxwork landscape, Curiosity found itself in a fork-in-the-road

Blue Origin has used its Blue Ring spacecraft platform to develop the Mars Telecommunications Orbiter, which the company says could aid future NASA missions to the Red Planet.

The medieval-looking "helmet" is the latest addition to Mars' gallery of odd-shaped rocks.

ESA's Mars Express spacecraft has been imaging the dynamic Acheron Fossae region of Mars for more than 20 years.

In a Q&A interview, author and science writer David Baron discusses the turn-of-the-century Mars craze, which he covers in his new book, "The Martians."