Sept. 22, day and night will be nearly equal in length as Earth spins side-on to the sun and autumn officially begins in the ...

Human activities now account for two-thirds of all methane venting to the atmosphere, and our efforts to staunch the flow are ...

Unlike the other planets in the solar system, Mars is distinctly triaxial, meaning it is an ellipsoid with different sizes ...

Long-sought evidence of alien life could lurk in Earth's oceans, or in 'weird' objects orbiting near our planet, Harvard ...

The first phase of China's moon base will be completed around 2035 near the lunar south pole, and an extended model will be ...

SpaceX Polaris Dawn astronaut Jared Isaacman briefly "touched the void" as he embarked on the first-ever private spacewalk ...

To stop forgetting so many things in the first place, Miller advised against multitasking. "When you think you're ...