You may not have noticed—how could you?—but Earth recently went through a rare S4 solar radiation storm, the strongest one we ...

The project has recently been submitted to the European Space Agency for consideration as a future mission. The current mission design proposes a launch in the 2030s, returning at least 400 minutes of ...

“I don’t think anyone else on the flight even saw it,” the passenger said.

Federal forecasters are warning that a powerful X-class solar flare could trigger strong radio blackouts and strain power ...

New simulations show that chaotic, gas-rich early galaxies allowed ordinary stellar-mass black holes to grow at astonishing ...