Detail of a photo: Maze of layered canyon walls and buttes in bands of red, cream and grey, receding into the distance in soft evening light.
GeoLog

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Geosciences Column: The quest for life on Mars

February 20, 2015
Geosciences Column: The quest for life on Mars

Understanding where we come from and whether Earth is the only habitable planet in the Solar System has been a long standing conundrum in science. Partly because it is our nearest neighbour, partly because of its past and current similarities with our own home, Mars, the red planet, is a likely contender in the quest …[Read More]

Geosciences Column: Shifting the O in H2O

February 28, 2014

Wherever you are in the world’s oceans, you can identify particular bodies of water (provided you have the right equipment) by how salty they are. You can get a feel for how productive that part of the ocean is by measuring a few chemical components in the water column. And, year on year, you will …[Read More]