A 2025 study estimated a 50% probability that the Milky Way and Andromeda will not collide within the next 10 billion years, with a critical closest-approach distance of 650,000 light-years separating collision from non-collision outcomes.

The James Webb Space Telescope produced stronger evidence in March 2025 for the presence of dimethyl sulfide, along with methane and oxygen, in the atmosphere of the exoplanet K2-18b.

Astronomers planned to continue tracking 3I/ATLAS through 2026 to learn more about its composition.

In August 2025, JWST observations produced the most convincing evidence to date for a planet orbiting Alpha Centauri A with a mass similar to Saturn.

The Vera C. Rubin Observatory will collect about 20 terabytes of data per night and issue about 10 million alerts per day.

NASA and the European Space Agency used space probes with better viewing geometry to observe 3I/ATLAS during its solar conjunction in late 2025.

NASA’s Perseverance rover found light-red 'leopard spots' and detected organic molecules in clay-bearing sediments inside a rock in Jezero Crater in September 2025, providing the strongest evidence to date that microbial life could have existed there 3.5 billion years ago.

The Dark Energy Spectroscopic Instrument published three years of data in March 2025 covering 13.1 million galaxies, 1.6 million quasars, and about 4 million stars.

The Vera C. Rubin Observatory in Chile achieved first light in summer 2025 after more than 25 years of design and over 10 years of construction.

The Space Development Agency delayed its satellite constellation in 2025.

The Space Development Agency had no backup plan for the missing component supplier during the 2025 delay.

A critical component supplier failed to deliver components on time for the Space Development Agency’s constellation in 2025.

Spectrum is designed and manufactured almost entirely in-house at Isar Aerospace.

Isar Aerospace completed stage testing and is preparing for its second launch from its dedicated launch complex at Andøya Space in Norway.

Isar Aerospace operates a vertically integrated, automated production system to deliver launch capability from European soil.

Isar Aerospace has infrastructure to produce more than 30 Spectrum vehicles per year in a new 40,000 square-meter facility near Munich.

The Missile Defense Agency selected Sidus Space as one of its contract awardees under the Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) IDIQ contract.

The SHIELD award expands Sidus Space’s portfolio of advanced hardware, software, and AI-driven systems to support U.S. and allied defense communities.

Exolaunch has over a decade of flight heritage and has launched more than 650 satellites across more than 40 missions to date.

One satellite scheduled for launch under the multi-launch agreement will be used in AxelLiner Laboratory, an in-orbit demonstration service operated by AxelLiner.

The C3E project has a joint investment of €71.5 million, with €50 million contributed by CDTI and €21.5 million contributed by INTA.

Centro para el Desarrollo Tecnológico y la Innovación (CDTI) and Instituto Nacional de Técnica Aeroespacial (INTA) signed an agreement on 15 December at the Ministry of Defense headquarters to develop the Centro de Experimentación y Ensayo Espacial (C3E).

The agreement establishes a collaboration framework to create the Centro de Experimentación y Ensayo Espacial (C3E).

Indra Group expects a multi-year growth path for an enlarged Indra Space and intends to pursue a vertically integrated strategy with a strong commitment to defense through consolidation of the acquired companies.

Indra Group notified Spain’s stock market regulator on Dec. 30 that the transaction disclosed on Jan. 31, 2025, had been concluded.

Long March 4B Y69 launched TianHui-7 on December 30 at 04:12 UTC from Jiuquan.

The original experiment aimed for conception in microgravity, but fertilization actually occurred on the ground after the Shenzhou-21 mice's return.

The pups from the Shenzhou-21 experiment will provide vital data for biomedical and life science research.

Two of the Shenzhou-21 mice have given birth to a litter of 9 pups, with 6 surviving.

India's PSLV-C62 mission is preparing for launch.

The EOS-N1/Anvesha satellite arrived a few days ago.

The PSLV-C62 launch is scheduled for January 10 at 04:15 UTC.

Integration of the four stages for PSLV-C62 has been completed.

INTERSTELLOR is testing the CYZ-1 crew capsule.

The CYZ-1 crew capsule features a blurred retro-thrust system.

ASTRONSTONE used DEEP-BLUE's facility for AS-1 second stage testing.

The European Space Agency implemented short-term remediation measures to secure any potentially affected devices.

On 26 December, posts on X offered more than 200 gigabytes of data for sale that purportedly came from a European Space Agency breach and were linked to a hacker using the alias "888".

The microsatellite platform under the December 30, 2025 contract will be manufactured at GomSpace’s facilities in Aalborg, Denmark.

The project under the December 30, 2025 contract focuses on developing sovereign defense capabilities.

On December 30, 2025, GomSpace secured a 50 million SEK contract with an undisclosed European defense company to design and deliver a microsatellite platform.

In June 2025, GomSpace signed a 19.5 million Euro contract to deliver an 18-satellite constellation.

Full execution and final handover of the microsatellite platform under the December 30, 2025 contract are scheduled for the summer of 2027.

In October 2025, GomSpace was awarded a 760,000 Euro European Space Agency contract to advance onboard attitude control software.

The December 30, 2025 contract tasks GomSpace with the design, integration, and delivery of a configured microsatellite platform for a space research and development program.

GomSpace expects to complete the design and integration phases of the December 30, 2025 contract within 18 months from December 30, 2025.

Kratos Defense & Security Solutions concluded the first Factory Acceptance Test for its EPOCH Command and Control software integrated with the Airbus OneSat software-defined satellite platform on December 30, 2025.

The Airbus OneSat platform is designed to reshape beams, adjust capacity, and reconfigure missions while in orbit.

Kratos’ OpenSpace platform supported a BlueHalo demonstration for the U.S. Space Force Satellite Communication Augmentation Resource (SCAR) program in 2024.

In November 2024, the Space Development Agency awarded Kratos a prime contract to build the Advanced Fire Control Ground Infrastructure (AFCGI).