Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

Galaxies and their supermassive black holes evolve together, but which came first is an ongoing question. Now we may finally ...

Musk’s presence on X can often feel like performance art—one of those continuous “bits” that have turned much of social media ...

City Council consideration of the redevelopment deal for San Diego's 49.2-acre sports arena property pushed back to later in the year.