Comic book writer Mark Waid recalls the "resistance" he faced after introducing the first Black Captain America to Marvel.

SpaceX has delivered a new animated look at the launch of Starship to Mars. See the launch, Super Heavy booster re-entry and 'chopsticks' capture, on-orbit fueling and journey to the surface of the ...

"Fasten Your Space Belts" could be part of a spaceflight one-two punch today. SpaceX plans to launch yet another batch of its Starlink internet satellites today, during a nearly 3.5-hour window that ...

Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright flares ...

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Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the supermassive black hole at the center of the Milky Way.