WASHINGTON — A French launch startup that recently closed a funding round is seeking defense applications for its hybrid propulsion technology. HyPrSpace announced last month it closed a 21 million
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Roman Space Telescope on track for September launch
PHOENIX — NASA expects to launch the Nancy Grace Roman Space Telescope as soon as September, citing the mission as evidence the agency can do flagship major science missions on
Potentially hazardous asteroid to safely pass Earth Monday
The asteroid 2005 UK1 will make a close – but safe – pass by Earth on January 12, 2026. Though it is considered a potentially hazardous asteroid, it will not
Best of 2025: Artemis II Countdown Demonstration Test
NASA/Joel Kowsky Artemis II crewmembers (left to right) NASA astronauts Christina Koch, mission specialist; and Victor Glover, pilot; CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist; and NASA astronaut
NASA Starts Up Gateway’s Power System for First Time
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) The primary structure of Gateway’s Power and Propulsion Element (PPE) undergoing assembly, integration, and testing at Lanteris Space Systems
Private group unveils plans for large space telescope
PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built
2026 will clarify Europe’s new priorities for space
Launchers Isar Aerospace is expected to attempt its second two-stage Spectrum vehicle test flight, a key step after its first, partially successful liftoff in 2025. In parallel, Spain’s PLD Space
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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
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
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
Dust clouds reflect starlight around the star R Doradus. As it nears the end of its life, the star is shedding its outer layers, forming clouds of gas and dust
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
This illustration shows a red dwarf star orbited by a hypothetical exoplanet. — NASA source As of late 2025 there are about 70 exoplanets that meet the formal criterion of
ID: ESP_040566_0935 date: 23 March 2015 altitude: 245 km larger image NASA/JPL-Caltech/University of Arizona The South Polar residual cap (the part that lasts through the summer) is composed of carbon
Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on
The Kepler exoplanet candidate population around FGK stars used in the analysis of S. Bryson et al. (2021), shown in period and radius, both colored and sized by catalog reliability
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