The asteroid 2005 UK1 will make a close – but safe – pass by Earth on…
Best of 2025: Artemis II Countdown Demonstration Test
Artemis II crewmembers (left to right) NASA astronauts Christina Koch, mission specialist; and Victor Glover, pilot;…
Richard Dean Straw, N6BV, ARRL “Antenna Expert,” Silent Key
01/08/2026 by Mark Derks, KC1RVQ, ARRL Headquarters Staff Richard Dean Straw (“Dean”), N6BV, died on July…
I’m calling it – 2026 is going to be the year of the galaxy
A James Webb Space Telescope image of a rare cosmic phenomenon known as an Einstein ring,…
Ice velocity on Jakobshavn Glacier in Greenland, 2014–2024
This map, based on Copernicus Sentinel-1 data, shows the speed at which ice is moving horizontally…
Clearing of tropical forest in Peru 1995–2020
Often called Earth’s green lungs, tropical forests pull down massive amounts of carbon dioxide from the…
Betelgeuse’s companion star leaves detectable wake
This artist’s concept shows Betelgeuse’s companion star orbiting the red supergiant. The companion, which is orbiting…
ESA Director General’s 2026 annual press briefing
Josef Aschbacher, Director General of the European Space Agency, briefed journalists on the main milestones for…
ESA Director General’s 2026 annual press briefing
Josef Aschbacher, Director General of the European Space Agency, briefed journalists on the main milestones for…
Saturn-mass rogue planet revealed in unique new observations
View larger. | Artist’s concept of a rogue planet in the process of microlensing a more…