Related topics: mars

Why are most rocks on Earth much younger than the planet itself?

The rocks on Earth are not all the same age. In fact, most are significantly younger than the planet itself. The oldest sections of the oceanic crust are thought to be 200 million years old—a blink of an eye in the planet's ...

NASA's Perseverance rover deposits first sample on Mars surface

A titanium tube containing a rock sample is resting on the Red Planet's surface after being placed there on Dec. 21 by NASA's Perseverance Mars rover. Over the next two months, the rover will deposit a total of 10 tubes at ...

When was the first time life began to prey on each other?

Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that ...

NASA's Perseverance rover to begin building Martian sample depot

In the coming days, NASA's Perseverance rover is expected to begin building the first sample depot on another world. This will mark a crucial milestone in the NASA-ESA (European Space Agency) Mars Sample Return campaign, ...

Harnessing smartphones to track how people use green spaces

A new study demonstrates how anonymized GPS data from people's smartphones can be used to monitor the public's use of parks and other green spaces in urban areas, which could help inform their management. Alessandro Filazzola ...

Bringing the field to students with 'Virtual Field Geology'

University of Washington geologists had set out to create computer-based field experiences long before the COVID-19 pandemic hit. Juliet Crider, a UW associate professor of Earth and space sciences, first sent a former graduate ...

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