News tagged with geological history

Clays on Mars: More plentiful than expected

(Phys.org)—A new study co-authored by the Georgia Institute of Technology indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of ...

Dec 20, 2012
4.6 / 5 (5) 0 | with audio podcast

Next for Mars rover: Mountain mapping

All of planet Earth seemed to follow the rover Curiosity's harrowing descent to the surface of Mars. Curiosity's early discoveries showed that liquid water once flowed on the Martian surface, but the big ...

Dec 07, 2012
5 / 5 (3) 2

Melt water on Mars could sustain life

Near surface water has shaped the landscape of Mars. Areas of the planet's northern and southern hemispheres have alternately thawed and frozen in recent geologic history and comprise striking similarities ...

Nov 16, 2012
5 / 5 (3) 0

Meteorites reveal warm water existed on Mars

New research by the University of Leicester and The Open University into evidence of water on Mars, sufficiently warm enough to support life, has been published this week in the journal Earth and Planetary Sc ...

Nov 15, 2012
4.9 / 5 (8) 10 | with audio podcast

The evolution of creationism

Throughout history, people have sought to understand how the world came to be and how it has changed over time. This curiosity has produced a rich legacy of science and philosophy and impacted and influenced religion and ...

Nov 05, 2012
3.5 / 5 (17) 56

The Solar System's grandest canyon

Earth's Grand Canyon inspires awe for anyone who casts eyes upon the vast river-cut valley, but it would seem nothing more than a scratch next to the cavernous scar of Valles Marineris that marks the face ...

Oct 23, 2012
4.4 / 5 (11) 34 | with audio podcast

Cookie Monster crater on Mercury

Big Bird has been grabbing the headlines lately, and its time for another Muppet to get a little face time. So, here's Cookie Monster's face, plastered across the surface of Mercury. Well, it looks like it, ...

Oct 15, 2012
5 / 5 (4) 3