Universe TodayMatthew Williams

ESA's JUICE uses five instruments to probe activity and composition of interstellar comet 3I/ATLAS

In November 2025 ESA’s Jupiter Icy Moons Explorer (JUICE) targeted interstellar comet 3I/ATLAS with five science instruments, collecting remote‑sensing data on the object’s activity, coma chemistry and dust to characterise its behaviour and composition during the visitor’s inner‑solar‑system passage.

2025-12-21T12:07:40.370229-08:00
Universe TodayAndy Tomaswick

Purdue Study: Building Reusable Lunar Launchpads from Local Regolith with Minimal Material Data

By Universe Today: Engineers need good data to build lasting things. Even the designers of the Great Pyramids knew the limestone they used to build these massive structures would be steady when stacked on top of one another, even if they didn’t have tables of the compressive strength of those stones.

2025-12-21T04:46:04.963408-08:00
Wall Street JournalAndrew Tangel

FAA documents show January 16 Starship explosion posed greater risk to flights over the Caribbean

By Wall Street Journal: FAA documents reviewed by The Wall Street Journal show an explosion of SpaceX’s Starship on Jan. 16 posed a greater danger to planes in the air over the Caribbean than was publicly known.

Also: Aviation24
2025-12-20T20:49:48.640802-08:00
Spaceflight NowWill Robinson-Smith

Astronauts, launch teams practice Artemis 2 countdown

By Spaceflight Now: ![](http://spaceflightnow.com/wp-content/uploads/2025/12/20251220_Artemis-II_walkout_MC-1.jpeg) In a prelude to the real deal, the four astronauts of the Artemis 2 mission boarded their Orion spacecraft inside the Vehicle Assembly Building at the Kennedy Space Center on Saturday afternoon.

2025-12-20T16:24:07.495409-08:00