At four times the distance from the Sun of Mercury and with no atmosphere to keep it warm ... and with the planet being about ...

The nights are long this month, so there are more hours for premium star viewing—and lots of planets will be visible.

One of Uranus's moons likely has an ocean while the composition of the planet itself is more bizarre than we knew ...

Jupiter reaches a stunning opposition, Mars is brilliant, Saturn and Venus light the evening sky, and Mercury rises before ...

The topic of Jerry Jones’ latest media meltdown this time heavily revolved around a setting sun. How appropriate. After the Dallas Cowboys lost to the Philadelphia Eagles 34-6 on Sunday ...

Watch for one of the best meteor showers of the year, Mars at its brightest, a new "planet parade" in late January, plus a ...

NASA has confirmed that one of its greatest ever missions, Voyager 1, is back in business with communications restored ...

Before you panic about our impending doom, there's good news - a scientist from the University of Murcia has come up with an ...

Trying to understand the makeup and evolution of the solar system's Kuiper belt has kept researchers busy since it was ...

Crucially this water would be separated, like oil and water, from a carbon-rich layer below that divides the ocean from each ...

We might finally understand what’s going on inside Uranus and Neptune, and the answer is pretty surprising: They may each ...