'How planets revolve' is possibly one of the first extraterrestrial phenomena that educators taught students at school. They are told that in this phenomenon, the planets move around the sun in fixed ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

"The planet gets in the way from the point of view of any one spacecraft, so we had to spread them around the planet to look everywhere all at once." On Wednesday (Aug. 13), NASA announced that the ...

On Wednesday (Aug. 13), NASA announced that the four satellites of its exciting new sun-studying mission, PUNCH, have successfully reached their stations in orbit around our planet. They all lie along ...