Mars may just be too small for surface water

"There is likely a threshold on the size requirements of rocky planets to retain enough water to enable habitability and plate tectonics..."

Talia Ogliore-WUSTL • futurity
Sept. 22, 2021 ~7 min

Hidden ‘lakes’ on Mars are more likely clay than water

A form of clay called smectites, not water, probably accounts for bright radar reflections under the south polar cap of Mars, researchers report.

Barri Bronston-Tulane • futurity
Aug. 3, 2021 ~5 min

Crust, mantle, and core of Mars are quite different from Earth’s

New findings confirm "Mars presumably was once completely molten before dividing into the crust, mantle, and core we see today, but that these are different from Earth's."

Franziska Schmid-ETH Zurich • futurity
Aug. 2, 2021 ~7 min

‘Young’ volcanic ash on Mars hints at conditions right for life

Volcanoes may have erupted on Mars as recently as 50,000 years ago. The finding raises the possibility of recently habitable conditions below the surface.

Daniel Stolte-Arizona • futurity
May 7, 2021 ~9 min

Did icy clouds give Mars lakes and rivers?

Icy clouds could have kept early Mars warm enough to form rivers and lakes, a new study using computer models suggests.

Louise Lerner-Chicago • futurity
April 29, 2021 ~7 min

520-day simulated Mars mission changes crew’s gut bacteria

After completing a confined 520-day simulated mission to Mars, researchers discovered significant changes in the crew's gut microbiota.

Frederique Mazerolle-McGill • futurity
April 27, 2021 ~6 min

Ancient crater lake bolsters idea of ice on early Mars

Glacial runoff appears to have fed an ancient crater lake on Mars, boosting the idea that the red planet had a cold and icy past.

Kevin Stacey-Brown • futurity
March 31, 2021 ~7 min

Dust particles from Mars can make little sparks

New research suggests tiny sparks are possible on Mars, and that "future colonists may find a world modified by static electricity in subtle ways."

Jim Barlow-Oregon • futurity
Feb. 22, 2021 ~8 min

Ancient Mars was more like Iceland than Idaho

New research used spots on Earth, including Iceland and Idaho, to study the seasons on ancient Mars.

Mike Williams-Rice • futurity
Jan. 21, 2021 ~8 min

Could astronauts on Mars make their own fuel for the trip home?

Researchers may have come up with a solution to one of the most pressing challenges of a Mars voyage: How do we get back?

UC Irvine • futurity
Jan. 5, 2021 ~5 min