Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

In fact, it takes more than four years for light to travel from the nearest star to our solar system. Meanwhile ... compiled it into a short animated map and timeline called "4000 Exoplanets ...

More than 1 million "interstellar objects" the size of the Statue of Liberty could be drifting unseen in the outer solar system right now, new simulations suggest. The hefty cosmic interlopers ...