A new study led by researchers at the Earth-Life Science Institute (ELSI) at Institute of Science Tokyo challenges a long-standing assumption about Earth’s most extreme ice ages. Using numerical geochemical […]
This image shows many slope streaks of various orientations at fairly high latitude (for slope streaks).
This photo was selected by public vote and featured as “Image of the Week” for Week 262 (Feb. 15 – 21, 2026) of the Perseverance rover mission on Mars.
A hilly landscape that looks like spiderwebs when viewed from orbit holds clues to the history of water on ancient Mars.
Blood Falls is a unique feature that appears at the snout of the Taylor Glacier in the upper Taylor Valley, East Antarctica.
In the whole history of Earth’s climate, few events are as extreme as those that geologists call “Snowball Earth.”
This scene from the eastern side of Terra Cimmeria, northeast of the Hellas impact basin, shows many impact craters of different sizes and types of preservation, with a few sharp-looking […]
The North Polar Layered Deposits (NPLD) are large layered deposits of dusty water-ice in the northern polar region of Mars. The layering we see is caused mainly by slight variations […]
What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long periods of […]
Gully and defrosting activity have been visible here along the edge of a dune field, along with blocks of frost. Observations of the same area help us check for repeat […]
