In 2025, European satellite navigation celebrates its 30th anniversary – a milestone built on decades of…
The future of European satellite navigation
With Galileo serving over five billion users around the world and EGNOS adopted in most European…
ESA – Celeste mission patch
Patch of Celeste, the first mission in the LEO-PNT programme. Celeste will demonstrate in orbit the…
Life around white dwarfs? Astronomers think it’s possible
White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than…
Mystery of fastest white dwarfs solved!
Artist’s concept of a white dwarf remnant being given a high-speed shove from its system. Such…
CME impact and high-speed stream forecast to enhance geomagnetic activity through September 8
A large filament eruption was observed at 19:45 UTC on September 4, 2025, followed by at…
Northeast HamXposition Draws Crowds
09/05/2025 By ARRL New England Division Vice Director Phil Temples, K9HI The Northeast HamXposition (“HamX”)…
Ham YouTubers Boost ARRL Teachers Institute
09/05/2025 The ARRL Teachers Institute on Wireless Technology is getting a boost, courtesy of the ham…
Team USA Earns Medals at ARDF World Championships in Lithuania
09/05/2025 By Charles E. Scharlau, NZØI, USA ARDF Co-coordinator Team USA brought home both individual and…
ARRL On the Air Yearbooks
09/05/2025 — Get active, get involved, and get on the air! Enjoy On the Air…