NASA's Perseverance has sniffed 10 rock samples and found signatures of organic molecules, a sign of a complex geochemical past.
NASA's Mars Insight lander and Mars Reconnaissance Orbiter have witnessed two fresh new planet-probing impacts.
The mission team has reported results from Perseverance's study of the rocks deposited by the river that once flowed into Jezero Crater.
A pair of spacecraft will head to Mars in 2024 as the ESCAPADE mission, to study the Martian space weather environment.
Perseverance came up empty on its first attempt to grab and stow a sample of Mars.
Mysterious spots that scientists thought were subsurface lakes beneath the Martian south pole may instead be ancient clay deposits.
New measurements from NASA’s Curiosity rover show that methane concentrations near the Martian surface vary on a daily cycle. The finding could help reconcile conflicting data.
Astronomers find more bright spots underneath Mars's south polar cap, but could they really be subterranean lakes?