A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.
A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...
Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...
Photograph by Garcia Julien, Getty Images We also enjoy protection from Earth's magnetic field, generated by our planet's rotation and its iron-nickel core. This teardrop-shaped field shields ...
Stargazers will be treated to a dazzling six-planet "alignment" this January.
Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...
Earth's population to top 8.09bn on New Year's Day – but global birth rate slows down ...