Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 2 min read 2026 AAS Hyperwall Schedule 247th American Astronomical Society (AAS) Meeting Join NASA in the Exhibit Hall (Booth #401 for Hyperwall Storytelling by NASA experts. [...]
NASA/JPL-Caltech Team members working with NASA’s Curiosity Mars rover created this “postcard” by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian days, or sols, of the mission. The panoramas were captured at 4:15 p.m. on Sol 4,722 [...]
X-ray: NASA/CXC/UCDavis/F. Bouhrik et al.; Optical:Legacy Survey/DECaLS/BASS/MzLS; Image Processing: NASA/CXC/SAO/P. Edmonds and L. Frattare Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster Dec. 31, 2020. The date, combined with the bubble-like appearance of the [...]
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 39 min read The Earth Observer: Offering Perspectives from Space through Time An Intertwined History: The Earth Observer and EOS The Earth Observer, a newsletter issued for [...]
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 27 min read Terra: The End of An Era Introduction Launched into the night sky nearly 26 years ago, on December 19, 1999, from Vandenberg Air Force [...]
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 14 min read The Final Earth Observer Editor’s Corner: October–December 2025 It is with a heavy heart that I announce that NASA Earth Science Communications has directed [...]
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 42 min read The State of CERES: Updates and Highlights Introduction The Clouds and the Earth’s Radiant Energy System (CERES) was initially designed in the late-1980s and [...]
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA astronaut Zena Cardman processes bone cell samples inside the Kibo laboratory module’s Life Science Glovebox. NASA 2025 marks another year pushing the boundaries of scientific research aboard the International Space Station. This past year, over 750 investigations were conducted aboard the space station, [...]
The Draco thrusters of the SpaceX Dragon cargo spacecraft are seen firing during a demonstration of its ability to reboost the International Space Station’s orbit on Sept. 26, 2025. In the background, an atmospheric glow blankets Earth’s horizon with the city lights on Africa’s east coast dotting the dark landscape.NASA On Dec. 29, SpaceX’s Dragon [...]
NASA astronaut and Expedition 72 Flight Engineer Nichole Ayers is pictured during a spacewalk to upgrade the orbital outpost’s power generation system and relocate a communications antenna.Credit: NASA NASA astronauts will conduct a pair of spacewalks in January outside of the International Space Station to prepare for the installation of a roll-out solar array and [...]
