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)

ESA

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.

Also: NASA and 3 more
2025-12-16T06:28:05.714788-08:00
ESA

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.

2025-12-16T21:52:08.293366-08:00
Satellite EvolutionSatellite Evolution Group

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.

2025-12-16T05:50:03.078514-08:00