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Focus is the key.

For the first time ever, we can see the Sun’s south pole - a maelstrom inferno of immense power. esa.int/Science_Explor… European Space Agency NASA

If you ever doubt your place in the universe, remember this: 11 million of your names are on Mars with me. They’re permanently etched into a microchip on my deck. It’s a quiet reminder that exploration is a team effort.

Sometimes, you ask if I get lonely here on the Red Planet – but I'm never alone, because I brought 1.2 million of your names with me to Mars! They’re etched onto two microchips, each about the size of a dime. Every sol I explore, you’re right here with me. 🫶

My raw images feed: It’s like looking into my photo library from 140 million miles away 📱 Bookmark this page to browse my unedited images: go.nasa.gov/3rVeqCV

Introducing...your sneak peek at the cosmos captured by U.S. National Science Foundation–DOE Office of Science Vera C. Rubin Observatory! Can you guess what regions of sky they are? This is just a peek...join us at 11am US EDT for your full First Look at how Rubin will #CaptureTheCosmos! ls.st/rubin-first-lo…

💫See the night sky like never before. Today, the NSF–DOE NSF-DOE Rubin Observatory releases its first imagery, capturing the cosmos at an unprecedented scale. #CaptureTheCosmos

🎵 Don't you... forget about me 🎵 The last 17 years on this platform have been an incredible ride. We've done good things. My team and I thank each of you for joining us on the adventures. Stay curious, friends, you know I will. ♥️

Yesterday we released our cosmic treasure chest...and now it's yours to explore! With ~10 million galaxies in the image, there's plenty to find. Pan, zoom, and hunt for gems using Skyviewer - and be sure to share your favorites with us! ➡️ skyviewer.app/explorer

Quantum physics says reality is influenced by observation. Your attention literally shapes your world.

Hydrothermal Systems May Have Supplied Essential Phosphorus For Early Life astrobiology.com/2025/07/hydrot… #astrobiology #originoflife

You are not too late. You are right on time for your own story.

Hear from the #Ax4 astronauts about the significance of the mission and how we are expanding access to LEO for countries to pursue their space exploration goals, leading to advancements #ForEarth. We are building era-defining space infrastructure that drives exploration and fuels

Every moment in the cupola feels like a gift, it's hands down the most stunning view in the universe!

Officially starting the countdown to the anniversary of #Apollo11 today. You may recall that a few months ago, India’s Space Research Organization moon orbiter Chandrayaan 2 captured photos of both the Apollo 11 and Apollo 12 lunar modules on the Moon’s surface. They may be small

A Thermodynamic Perspective On Potential Life In Icy Ocean Worlds astrobiology.com/2025/07/a-ther… #astrobiology #icyworld

I was taught that the way of progress was neither swift nor easy. -- Maria Skłodowska Curie

The cosmologist in me loves that there is a cosmological bound on how assembled a single structure can be in a universe devoid of life (clearly our universe is doing much more interesting things, at least on this planet)

This snake-like robot is slithering into the future of exploration. It's called EELS and was developed at JPL with the goal of autonomously exploring hard-to-reach places throughout the solar system, like icy crevasses to deep craters. Happy #WorldSnakeDay! 🐍

Dear Friends, sharing some news here about my upcoming transition. While I’m sad to be leaving School of Earth and Space Exploration Arizona State University after 19 incredible years, I am excited and honored to have the opportunity to contribute to Scripps Institution of Oceanography UC San Diego in the years to come.