![Pluto Has an Ocean of Liquid Water Surrounded by a 40-80 km Ice Shell](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/sputnik-planitia-PIA20007-D023112.jpg?itok=tzhgEhxm)
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![Pluto Has an Ocean of Liquid Water Surrounded by a 40-80 km Ice Shell](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/sputnik-planitia-PIA20007-D023112.jpg?itok=tzhgEhxm)
![Peering into Pluto's ocean](https://artsci.wustl.edu/sites/artsci.wustl.edu/files/styles/blog_thumbnail/public/pluto%202_0.jpg?itok=hHJtr0b3)
Peering into Pluto's ocean
![Recognizing graduate student excellence in research, teaching](https://artsci.wustl.edu/sites/artsci.wustl.edu/files/styles/blog_thumbnail/public/2024%20Grad%20Ceremony%20Awards-39.jpg?itok=t4IXXHQY)
Recognizing graduate student excellence in research, teaching
![Pacific rock samples offer a glimpse of an active Earth 2.5 billion years ago](https://artsci.wustl.edu/sites/artsci.wustl.edu/files/styles/blog_thumbnail/public/J_Zhang_R_Parai_Lab-1028402_0.jpg?itok=-xlXrhQ5)
Pacific rock samples offer a glimpse of an active Earth 2.5 billion years ago
![Paper selected for the MAS Macres Award](https://mcss.wustl.edu/files/mcss/styles/blog_thumbnail/public/People/eps%20-%20paul%20carpenter-2.1.jpg?itok=U0XsJVxL)
Paper selected for the MAS Macres Award
![The ties that bind](https://mcss.wustl.edu/files/mcss/styles/blog_thumbnail/public/People/EPS_Catalano_J-1377521.jpg?itok=nE2e1XXh)
The ties that bind
![Fall 2023 Student Awards](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/Campus%20Photos/thumbnail_IMG_1033.jpg?itok=JOdn2Wd2)
Fall 2023 Student Awards
![Volcanoes on Venus … Wow! New map here](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/global-map-Venus-volcanoes-March-24-2023.jpg?itok=u8sSxUFg)
Volcanoes on Venus … Wow! New map here
![Scientists share ‘comprehensive’ map of volcanoes on Venus — all 85,000 of them](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/People/Paul%20Byrne%20head%20shot.png?itok=ZC9jCw5p)
Scientists share ‘comprehensive’ map of volcanoes on Venus — all 85,000 of them
![Does This Mineral Indicate Oxygen on Mars?](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/mars-gale-crater.jpg?itok=zc7spwg6)
Does This Mineral Indicate Oxygen on Mars?
![What’s in a name – on Mars?](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/People/Madison%20Hughes.jpg?itok=wHKCbAtL)
What’s in a name – on Mars?
![Introducing Katie Billings and Sam Patzkowsky - new grad fellows in EPS](https://mcss.wustl.edu/files/mcss/styles/blog_thumbnail/public/EPSFellowsThumbnail.jpg?itok=5aPXmqO2)
Introducing Katie Billings and Sam Patzkowsky - new grad fellows in EPS
![Clocking volcanic activity](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/kelsey-at-shasta.jpg?itok=_5hBrsqe)
Clocking volcanic activity
![Graduate profile: Greg Ledingham](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/Greg%20Ledingham_0.jpeg?itok=rNXC1mda)
Graduate profile: Greg Ledingham
WashU planetary scientists chosen to work on pristine Apollo samples
![Q&A with Mattison Barickman on Earth science outreach and teaching](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/Barickman%20classroom.jpg?itok=H968tYBJ)
Q&A with Mattison Barickman on Earth science outreach and teaching
![Why is the red planet red?](https://eeps.wustl.edu/files/eps/styles/blog_thumbnail/public/News/2019JE006133-Figure-8a-sized-for-Eos-800x600_0.png?itok=I6RCb3ZX)
Why is the red planet red?
![Thirsty mantle: Subduction zones swallow more water than thought](/sites/all/themes/olympian/images/default-article.png)
Thirsty mantle: Subduction zones swallow more water than thought
![Release of water shakes Pacific Plate at depth](/sites/all/themes/olympian/images/default-article.png)
Release of water shakes Pacific Plate at depth
![A terrible rift](/sites/all/themes/olympian/images/default-article.png)
A terrible rift
![Martin's Antarctic field season blog (2016-2017)](/sites/all/themes/olympian/images/default-article.png)
Martin's Antarctic field season blog (2016-2017)
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