Today In Space
Last Updated: Wednesday, Dec. 17, 2025, 4:11 AM PST
2025-12-17T04:11:38.210206-08:00 2025-12-17T04:11:38.210206-08:00 (2025-12-17T04:11:38.210206-08:00)
Sentinel‑6B returns first sea‑level data, extending long‑term climate record
By ESA: Copernicus Sentinel-6B, launched last month, has reached its orbit and delivered its first set of data, which show variations in sea level in the North Atlantic Ocean.
The Copernicus 'Sentinel-6B' Satellite Returns First Data Images After Launching Last Month
Sentinel 6B begins sea level mapping campaign
Unseenlabs to Supply RF Satellite Maritime Surveillance Data to S&P Global
By SpaceWatch Global: Unseenlabs will supply S&P Global with Radio Frequency (RF) data dedicated to maritime surveillance, after both parties reached an agreement.
Galileo L14 liftoff on Ariane 6
By ESA: On 17 December, two new Galileo satellites lifted off from Europe’s Spaceport in French Guiana aboard an Ariane 6 rocket. This marked the 14th launch for Europe’s satellite navigation operational satellite programme, reinforcing Europe’s resilience and autonomy.
OQ Technology links commercial IoT chipset to LEO satellite
By SpaceNews.com: Luxembourg-based OQ Technology said Dec. 17 it has connected a commercial IoT chipset directly to one of its LEO satellites, using internally developed software based on 3GPP mobile standards.
PLD Space Outlines its Plans for €169M in ELC Funds
By Payload: The real value of the ELC, according to Raúl Verdú, PLD’s head of business development, is the opportunity to extract knowledge from ESA.
ESA Member States Fund €100M Ariane 6 ASTRIS Kick Stage Evolution
By European Spaceflight: ESA member states have committed €100 million to evolve the Ariane 6 ASTRIS kick stage into an orbital transfer vehicle.
SatVu publishes first thermal satellite image revealing operational heat signatures inside major U.S. data centre
By Satellite Evolution: SatVu releases first-of-its-kind thermal image revealing true operational activity inside major US data centre.