ESA's Celeste IOD-1 Transmits Europe's First LEO Navigation Signal
ESA confirmed the first navigation signal from Celeste IOD-1 on April 8, a dual-frequency L- and S-band transmission from a 12U CubeSat that secures European spectrum rights before the May 2026 ITU deadline.
Artemis II breaks Apollo 13 record as four astronauts reach lunar flyby
NASA's Artemis II crew will surpass Apollo 13's distance record tomorrow at 1:56 p.m. EDT, reaching 252,757 miles from Earth. The mission is the first crewed translunar injection since 1972 and the highest-stakes systems test before lunar landing attempts.