SpaceX scrubbed the planned 10th test flight of its Starship megarocket for the second day in a row today (Aug. 25), this time because of some uncooperative clouds.
The “Wow!” signal has been etched red marker in the memory of advocates for the search for extraterrestrial intelligence (SETI) since its unveiling in 1977. To this day, it remains one of the most enigmatic radio frequency signals ever found. Now a new paper from a wide collection of authors, including some volunteers, provides some corrections, and some new insights, into both the signal and its potential causes.

