Today in the history of astronomy, satellites Vela 3 and 4 make the first detection of gamma-ray bursts.

Titan’s shadow transits the northern hemisphere of Saturn this morning beginning around 3:30 A.M. EDT. It’s definitely worth ...

Lowell Observatory Historian Kevin Schindler runs a detective story at the Grand Canyon to recreate a famous photo of Neil ...

Radio telescopes saw a strange burst of unknown energy in June 2024. Now we know it was from Relay 2, an early ...