Mars's two distinct hemispheres caused by mantle convection not giant impacts, study claims
Mars has northern and southern hemispheres like Earth, but their defining characteristics are markedly different, a ...
Mars's rare disappearing solar wind event explained
Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and ...
Astronomy on MSN1d
Mars at opposition: See the Red Planet all night long
The Red Planet reaches its best position all year this week on January 15. Here’s how and when to get out and see it.
Scientists Think These ‘Kidney Beans’ Could Prove That Mars Once Supported Life
Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...
Space on MSN1d
Solar Wind 'Stopped Blowing' On Mars For 2 Days
For two days in the December the solar wind suddenly stop on Mars and its atmosphere on the sun-facing side swelled "by nearly four times its usual size — from its usual 497 miles (800 km) to over ...