Mars’s gravity may help control Earth’s cycle of ice ages

Mars has a surprisingly large influence on Earth’s climate NASA/JPL/Malin Space Science Systems Compared with Earth,…

Winter Storm Closes ARRL Headquarters on Monday, January 26

01/25/2026 ARRL Headquarters and the Maxim Memorial Station, W1AW, will be closed on Monday, January 26,…

Webb’s Picture of the Month

This new James Webb Space Telescope image shows the galaxy cluster MACS J1149.5+2223, or MACS J1149…

40th anniversary lessons from the NASA Challenger disaster : NPR

The space shuttle Challenger lifts off from Kennedy Space Center in Florida on Jan. 28, 1986,…

Rare auroral glow detected within South Atlantic Anomaly during January 19 severe geomagnetic storm

A severe geomagnetic storm developed in Earth’s magnetosphere on January 19, producing widespread auroral emissions at…

NASA Sets Briefings for SpaceX Crew-12 Mission to Space Station

NASA and its partners will discuss the upcoming crew rotation to the International Space Station during…

Images show thousands of newly-identified asteroids. And there's more to come

NPR’s Ailsa Chang speaks to astronomer Sarah Greenstreet about her team’s new discovery of the fastest-spinning…

The ARRL Solar Update

01/23/2026 Solar activity reached moderate levels with two M-class flaresearlier this week.  The first flares occurred…

Red, Green Light Show – NASA

A green and red aurora streams across Earth’s horizon above the city lights of Europe in…

Red, Green Light Show – NASA

A green and red aurora streams across Earth’s horizon above the city lights of Europe in…