Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

A first ever detection of a coronal mass ejection from a small red dwarf could have big consequences for life on any nearby ...

The institute plans to build a constellation of 16 centralized space data centers in a dawn-dusk orbit 700 to 800 kilometers ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” ...

Though the exact length of a "stadia" is unknown, his measurement is thought to be accurate to within one percent of the ...

As an astrologer, I know how draining and frustrating Mercury retrograde can be. Mercury retrograde occurs when the Earth ...

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

Learn when fall begins with the autumnal equinox. Get upcoming dates, Harvest Moon info, and understand meteorological vs ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long ...