In February, the bright band of the Milky Way appears higher in our pre-dawn sky. Find out where and when to see it.

We refer to our own solar system as the solar system, and in a sense, it is the only one of its kind. For centuries, our sun was known as Sol, latin for sun and the Roman equivalent of the Greek sun ...

Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark ...

NASA's Pleiades supercomputer has provided fresh insights into the Oort cloud – a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort cloud's ...

Over the last week, we’ve been entertained by a pre-Halloween visitor from the depths of our solar system. It’s Comet Tsuchinshan-Atlas, a ghostly dirty snowball of rock, gas, and dust partially ...

In space, the gravitational pull of massive objects is irresistible to smaller ones. Moons are locked in orbit around planets. Planets, asteroids and comets orbit more massive stars, and stars collect ...

Dark matter refers to material that does not absorb, reflect, or emit any electromagnetic radiation. Astronomers have ascertained the existence of dark matter through the gravitational influence it ...