HOUSTON—A new research analysis of a sample of Mars gathered by NASA’s Curiosity rover and initially studied by onboard instrumentation has determined that non-biological sources once considered ...

Liftoff of the "Commercial GTO-1" mission occurred at 1:04 a.m. EDT on Sunday morning (July 13). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Our cosmos seems, at times, like one impossibly vast factory, just pumping out mysteries. The deeper we peer, the more we learn – but each new discovery stirs up a plethora of new puzzles to solve, ...

Space has always fascinated us, but not every mystery comes with comfort. Some are so unsettling that solving them might bring more fear than reassurance. These are the terrifying mysteries about ...