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Mars Space Exploration & Science Missions

Universe Today • Andy Tomaswick

A recurring 1,800-kilometer cloud forms each Martian summer near Arsia Mons

A long, narrow white cloud appears west of the 20-kilometer-high extinct volcano Arsia Mons every day during the Martian summer. It stretches about 1,800 kilometers, dissipates within hours and returns the next morning, a pattern that may challenge conventional explanations of cloud formation.

1 Source

2026-10-21T04:35:03.016409-07:00

China Satellite Commercial Space Space Debris & Traffic Management

NEW

SpaceNews.com • Andrew Jones

Chinese space robotics startup Sinxbot raises tens of millions of dollars for on-orbit refueling, deorbit services

By SpaceNews.com: Chinese startup Sinxbot has raised tens of millions of dollars from investors including Alibaba and China Mobile to develop robotic arms for servicing satellites.

1 Source

2026-10-21T04:49:01.823349-07:00

Satellite

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SpaceNews.com • Ben Young

Summer of Quantum: Building momentum for space-based QKD

By SpaceNews.com: Glasgow, UK | 21 October 2026 – The pace of development in quantum technologies continues to accelerate, and over the past few months, space engineering company Craft Prospect has been involved in conversations across the UK, Europe, Japan and the United States exploring the future of secure communications.

1 Source

2026-10-21T05:06:03.370146-07:00

Satellite Commercial Space NASA

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SpaceNews.com • Debra Werner

Solstar provides Wi-Fi connectivity for NASA proximity operations demonstration

By SpaceNews.com: SAN FRANCISCO – Wi-Fi technology from Solstar Space connected NASA’s R5-S10 cubesat with Momentus’ Vigoride-7 orbital service vehicle during proximity operations and relayed data to NASA’s Johnson Space Center, Solstar announced Oct.

2 Sources

2026-10-21T05:06:04.133814-07:00

defense Satellite Space Defense & Militarization

Space.com • Mike Wall

Russian Satellite Makes Risky Close Approach to U.S. Commercial Spacecraft

By Space.com: A Russian satellite just conducted a startlingly close approach of a private American Earth-observing satellite. What was the goal of the controversial maneuver?.

1 Source

2026-10-21T04:05:49.955037-07:00

Satellite AI Commercial Space

SpaceWatch Global • Joshua Faleti

Latitudo 40 Raises €2.9 Million to Advance Agentic Earth Observation and Physical AI

By SpaceWatch Global: Latitudo 40 raises €2.9 million to develop Agentic EO and Physical AI, advancing geospatial intelligence and international growth.

1 Source

2026-10-21T02:55:59.018972-07:00

Event Europe Commercial Space Space Policy & International Cooperation Policy & Regulation

SpaceWatch Global • Torsten Kriening

ESPI AC 2026 - Étienne Schneider on Why Europe Needs a Space Resources Law of Its Own

By SpaceWatch Global: Étienne Schneider on how Luxembourg’s space resources law unlocked investment, why Europe needs one too, and stability as Europe’s strongest card in the space race.

1 Source

2026-10-21T02:55:59.223928-07:00

Event Europe Space Policy & International Cooperation Industry Leader Profiles & Interviews

SpaceWatch Global • Torsten Kriening

ESPI AC 2026 - Trust as a National Asset: Dr. Bianca Lins on Liechtenstein’s Place in European Space

By SpaceWatch Global: Dr. Bianca Lins of Liechtenstein’s Office for Communications on the case for European space federation, the country’s first national space strategy, and trust as a national asset.

1 Source

2026-10-21T02:56:00.267291-07:00

A recurring 1,800-kilometer cloud forms each Martian summer near Arsia Mons

Chinese space robotics startup Sinxbot raises tens of millions of dollars for on-orbit refueling, deorbit services

Summer of Quantum: Building momentum for space-based QKD

Solstar provides Wi-Fi connectivity for NASA proximity operations demonstration

Russian Satellite Makes Risky Close Approach to U.S. Commercial Spacecraft

Latitudo 40 Raises €2.9 Million to Advance Agentic Earth Observation and Physical AI

ESPI AC 2026 - Étienne Schneider on Why Europe Needs a Space Resources Law of Its Own

ESPI AC 2026 - Trust as a National Asset: Dr. Bianca Lins on Liechtenstein’s Place in European Space

Solstar provides Wi-Fi connectivity for NASA proximity operations demonstration

Summer of Quantum: Building momentum for space-based QKD

Mars’s Most Mysterious Cloud Might Be Defying Textbook Cloud Physics

Chinese space robotics startup Sinxbot raises tens of millions of dollars for on-orbit refueling, deorbit services

Russian Satellite Makes Risky Close Approach to U.S. Commercial Spacecraft

Zelensky, US allies bet on strike concessions to placate Trump

#SpaceWatchGL Space, Unromanced – Closeted in the Cosmos

Spaceport Cornwall and Dawn Aerospace Explore UK Base for Aurora Spaceplane

Eutelsat exploring GEO life-extension mission with ClearSpace

Obruta Targets Two ISAM Bottlenecks with C$1.5 Million in Canadian Space Agency Funding

Japan launches MMX mission to Phobos, aiming to return samples from Mars’ moon

Musk pledges one SpaceX share to every U.S. child, a gift valued at nearly $11 billion

Deutsche Telekom, Orange, Telefónica and Vodafone explore joint bid for European satellite spectrum

Japan’s MMX mission aims to resolve the origins of Mars’ moons with a sample return

The day’s aerospace signal, in one email.

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