The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the ...
TRAPPIST-1 looks small and calm from Earth. Up close, it is anything but. The cool red star about 40 light-years away erupts ...
Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...
These 80 space trivia questions are great to play with friends, challenge your family with or play by yourself. See how much ...