Cambridge, MA (SPX) Dec 14, 2025
Astronomers have assembled the first continuous, two-dimensional maps of the outer edge of the Sun's atmosphere, tracing the boundary where the solar wind escapes the Sun's magnetic control. By combining these global maps with close-up measurements, researchers at the Center for Astrophysicshysics | Harvard and Smithsonian report that this boundary expands and becomes more irregular and spiky as

Sydney, Australia (SPX) Dec 14, 2025
NASA engineers are continuing efforts to restore contact with the Mars Atmosphere and Volatile EvolutioN (MAVEN) orbiter after the spacecraft fell silent during a routine pass behind Mars on December 6 2025. Before the loss of signal, telemetry from MAVEN indicated that the spacecraft and its subsystems were operating within expected parameters as it approached occultation by the planet. A

On 17 December, two Galileo satellites will be launched on an Ariane 6 rocket from Europe’s Spaceport in French Guiana in the 14th launch of operational satellites for the Galileo programme. This will be Galileo’s first launch on Ariane 6 and the fifth launch of Europe’s heavy-lift launcher. 

Image: XMM-Newton sees comet 3I/ATLAS in X-ray light

Week in images: 08-12 December 2025

Discover our week through the lens

Tokyo, Japan (SPX) Dec 12, 2025
IHI-SAT2, a hyperspectral 6U CubeSat built by Kongsberg NanoAvionics for Japan's IHI Corporation, has reached orbit and established two-way communications shortly after deployment from a SpaceX Falcon 9 on the Transporter-15 rideshare mission launched from Vandenberg Space Force Base in California on 28 November 2025. The mission is intended as a step toward IHI's planned Earth observation const

Los Angeles CA (SPX) Dec 12, 2025
Antares has raised $96 million in Series B financing to support development and deployment of its compact nuclear microreactors for defense and space customers. The round, led by Shine Capital with participation from Alt Capital, Caffeinated, FiftyThree Stations, Industrious and other investors, includes $71 million in new equity and $25 million in debt earmarked for equipment purchases, factory