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spacecraft

Interactions between the Sun’s and Earth’s magnetic fields (shown here as white lines) result in geomagnetic activity and auroras that are visible from Earth’s surface.
Posted inScience Updates

Exploring New Knowledge on Magnetospheric Interactions

by J. R. Kan and J. L. Burch 6 April 201618 July 2023

AGU Chapman Conference on Magnetospheric Dynamics; Fairbanks, Alaska, 27 September to 2 October 2015

Posted inResearch Spotlights

Demystifying Mercury "Hollows"

by Terri Cook 11 March 201628 July 2022

Spectral data from NASA's MESSENGER spacecraft indicate that the properties of the depressions on Mercury's surface can vary within a single crater and that these differences may correlate to age.

Posted inNews

Final Mirror Segment Added to Powerful Future Space Observatory

by Randy Showstack 8 February 201617 January 2023

After years of planning, testing, and assembly, the James Webb Space Telescope, the world's largest infrared, space-based observatory, is taking shape.

Posted inScience Updates

Where Curiosity Has Taken Us

by A. R. Vasavada 12 January 201624 April 2024

The Curiosity rover, one of NASA's flagship missions, analyzes Martian geology, geochemistry, climatology, and radiation to assess whether Mars could have supported microbial life.

Posted inEditors' Vox

First Results from the MAVEN Mission to Mars

by A. Dombard, B. Lavraud, W. K. Peterson and Noah S. Diffenbaugh 5 November 201515 March 2023

Geophysical Research Letters publishes First Results from the MAVEN Mission to Mars, demonstrating a remarkable achievement of NASA's MAVEN team and the broader scientific community.

Posted inNews

Cassini Probe Dives Through Enceladus Plume

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 28 October 201511 January 2022

NASA's Cassini probe takes a trip through a cosmic sprinkler to learn more about a subsurface ocean.

Posted inResearch Spotlights

Spacecraft Records Rising-Tone Magnetosonic Waves

by C. Minnehan 11 September 20157 July 2025

A rising tone in wave frequencies suggests a complicated, nonlinear series of interactions between electromagnetic sound waves and protons near the magnetic equator.

Posted inNews

Comet Lander Makes a Hard Discovery

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 31 July 201517 January 2023

The Philae probe, dropped onto a comet by the Rosetta spacecraft, has made contact with a surface thought too hard to be on a comet and has detected a few organic molecules new to comet exploration.

Posted inNews

Philae Scientists Make Plans for Revived Mission

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 16 June 201517 January 2023

With their robotic explorer awake again, Philae's handlers get ready to give Comet 67P-Churyumov-Gerasimenko renewed scrutiny and to get a better bead on where the lander clings to the spinning orb of rock and ice.

Posted inNews

Mercury's Secrets Revealed by Soon-to-Crash Spacecraft

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 30 April 201517 January 2023

From finding water ice on Mercury to discovering magnetic field lines cutting through the planet, NASA's MESSENGER spacecraft has spent its lifetime unveiling Mercury's secrets.

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