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MAVEN spacecraft orbiting Mars

Space

Mars’s atmosphere hosts metal layers that shouldn’t exist

Earth鈥檚 magnetic field provokes layers of iron and magnesium in the atmosphere, but Mars has no such field - so finding similar layers is a surprise

Mars

Physics

Mars is so small because Jupiter shook up its formation

MAVEN spacecraft orbiting Mars

Environment

NASA orbiter shows Mars lost 90 per cent of its CO2 to space

Space

ExoMars dips into the Martian atmosphere to sniff for life

Surface of Mars showing what look like watery streaks

Space

Mysterious water-like streaks on Mars might be sand flows instead

Space

NASA’s new budget is big on other worlds but ignores our own

Artist's impression of a grandly ringed future Mars

Space

Mars might already be building rings from its moons

frozen Mars

Space

The Mars paradox: Why we still don’t understand water on Mars

Space

Mars landing sites for 2020 NASA mission down to the final three

Space

Oxygen ions sent from Earth have been spotted on the moon

Earth鈥檚 magnetic field sends streams of oxygen ions towards the moon every month 鈥� and that could give us clues to our planet鈥檚 early atmosphere

Life

Dried-up slime could help microbes survive briny waters on Mars

Space

Dried-up slime could help microbes survive briny waters on Mars

Space

Curiosity finds Mars rock that may be a meteorite made from iron

Earth

Of presidents and planets: Neil deGrasse Tyson looks ahead