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NASA’s New Horizons Enters Mission’s Longest Hibernation Period
3 min read

Running with updated onboard fault protection software that improves its ability to operate farther from the Sun than originally designed,…

Aug 22, 2025
Blog
Reshaping Our Cosmic View: Hubble Science Highlights
3 min read

This e-book is compatible with most electronic devices. If you have problems with the EPUB version, we suggest trying the…

Jan 29, 2025
Mission
45 Years Ago: Astronomers Discover Pluto’s Moon Charon
4 min read

In 1978, astronomers considered Pluto as the solar system’s ninth planet. Its great distance from Earth—on average more than three…

Jun 23, 2023
Article
Pluto

Photos of Pluto and its moons

Jun 12, 2023
Moons
1 min read
May 31, 2023
Topic
Using “Charon-light,” Researchers Image Pluto’s Dark Side in Faint Moonlight
5 min read

NASA’s New Horizons spacecraft made history by returning the first close-up images of Pluto and its moons. Now, through a…

Oct 27, 2021
Article
Five Years after New Horizons’ Historic Flyby, Here Are 10 Cool Things We Learned About Pluto
13 min read

Five years ago today, NASA’s New Horizons spacecraft made history. After a voyage of nearly 10 years and more than…

Jul 14, 2020
Article
NASA Scientist for a Day 2019-2020: Target No. 3 – Charon
2 min read

NASA JPL Software Engineer Melissa Soriano describes the third potential target for Scientist for a Day contestants: Pluto's moon Charon.

Dec 5, 2019
Charon 3D Model
1 min read

A 3D model of Pluto's largest moon, Charon.

Apr 22, 2019

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Article
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Charon in Enhanced Color

Article
1 Min Read

Charon in Detail

Article
1 Min Read

Charon and Pluto: Strikingly Different Worlds

Article
2 Min Read

Flying over Charon

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CMB SAG Meeting, 13 Feb 2026

Scattered galaxies with a blue haze

AGN SIG Vision Series Seminar, 17 Feb 2026

This composite of visible, microwave (orange) and X-ray (blue) data reveals the jets and radio-emitting lobes emanating from Centaurus A's central black hole. Credit: ESO/WFI (visible); MPIfR/ESO/APEX/A.Weiss et al. (microwave); NASA/CXC/CfA/R.Kraft et al. (X-ray)

Amendment 48: Final Text and Due Dates for A.3 NISAR Mission Data, Applications, Research, and Technology Team

The NISAR (NASA-ISRO Synthetic Aperture Radar) Earth-observing satellite’s L-band synthetic aperture radar (SAR) instrument captured this image of the Mississippi River Delta region in southeastern Louisiana on Nov. 29, 2025.

ROSES-25: D.6 APRA and D.7 SAT TBD Placeholders

ROSES-25: D.6 APRA and D.7 SAT TBD Placeholders