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spacecraft

A blue ring of auroral emission glows above Saturn’s north pole.
Posted inNews

Saturn’s Powerful Winds Explain Changes in the Length of Its Day

Katherine Kornei, Science Writer by Katherine Kornei 17 March 20228 August 2022

Atmospheric winds moving at more than 7,000 kilometers per hour distort Saturn’s magnetic field, revealing why spacecraft have measured changes in the length of a day on the ringed world.

This aerial image shows two researchers exploring a sunken spring in the middle of a gray and white icy landscape. One researcher, dressed in blue, crouches inside a circular hole in the ice while a second researcher, dressed in black, stands to the left taking a photo.
Posted inNews

Lipids from Europa’s Ocean Could Be Detectable on the Surface

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 March 202210 March 2022

A super salty spring in the Canadian Arctic provides insights key to detecting life on a distant ocean world.

An illustration of the Solar Orbiter spacecraft near the Sun.
Posted inScience Updates

A New Journey Around (and Around) the Sun

by Daniele Telloni, Francesco Valentini and Raffaele Marino 25 February 202231 January 2023

The Solar Orbiter just completed its commissioning phase while en route to the Sun. It has already provided valuable looks at solar campfires and Venus’s magnetic fields, and it promises much more.

An image of lake-floor sedimentary deposits from Mars’s Gale crater
Posted inResearch Spotlights

Machine Learning Algorithms Help Scientists Explore Mars

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 12 January 202224 April 2024

Researchers applied machine learning algorithms to several distinct chemical compositions of Mars and suggest that these algorithms could be a powerful tool to map the planet’s surface on a large scale.

Close-up of the Artemis Gateway in front of the Moon.
Posted inNews

NASA Prepares Its Artemis Gateway to Orbit the Moon

by Jude Coleman 9 December 202118 December 2023

Throughout its anticipated 15-year tour of duty, the Gateway will serve as a station for astronauts and lunar landers—and enable new scientific discovery.

A Mars rover beside a rock with two holes drilled into it
Posted inENGAGE, News

Scientists Plan a Home Away from Home for Mars Samples

Damond Benningfield, Science Writer by Damond Benningfield 8 December 202127 March 2023

The core tubes being collected by the Perseverance rover won’t arrive for years, but NASA and the European Space Agency are outlining needs for a facility to assess their safety and store and distribute them.

Detail from Eos Mars poster
Posted inENGAGE, News

Mars from the InSight Out

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 November 202128 March 2023

There’s a seismometer on Mars, and it’s been busy! Download our free illustrated poster.

Image of a canyon in the Cerberus Fossae region on Mars. One side of the canyon is in shadow, whereas the other is brightly illuminated.
Posted inNews

Summer Could Be Earthquake Season on Mars

by Elise Cutts 1 November 202129 June 2022

InSight data hint that shifting carbon dioxide ice loads, illumination changes, or solar tides could drive an uptick in marsquakes during northern summer—a “marsquake season.”

Mole configuration during the heating experiment after scraping soil into the mole pit.
Posted inEditors' Highlights

Not So Hot Under the Collar

by Germán Martinez and B. J. Thomson 27 August 202110 March 2022

Thermal properties of Martian soil as measured by the InSight lander.

An artist’s depiction of the surface of Venus with volcanoes in the background, clouds in an orange sky, and a silver scientific balloon hovering above a brown, rocky ground.
Posted inNews

Exploring Venus by Balloon

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 April 202118 November 2021

Aerobots could help reveal secrets of Earth’s mysterious twin planet.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

What Makes Mars’s Magnetotail Flap?

20 April 202620 April 2026
Editors' Highlights

How Space Plasma Can Bend the Laser of Gravitational Wave Detectors

24 April 202623 April 2026
Editors' Vox

Can Any Single Satellite Keep Up with the World’s Floods?

20 April 202620 April 2026
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