For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could they hear us? A new study combining data from Penn State and NASA’s Jet ...
The first of these was the loss of space shuttle Columbia in February, the second fatal shuttle accident, which signaled that ...
Astrophotographer Ronald Brecher captured a haunting vista in July earlier this year, in which several deep-sky objects take on the collective appearance of a colossal cosmic shark hunting in the ...