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…

ARRL Lab Helps Radio Amateurs Avoid Interfering With US Space Force Radar

09/05/2025 US Space Command headquarters is being moved to Huntsville, Alabama, known as “Rocket City USA.”…

The ARRL Solar Report

09/05/2025 Spaceweather.com for September 5 reports that a total lunar eclipseoccurs on September 7th.  However, it…