Launched in 1977, the twin Voyager 1 and Voyager 2 spacecraft embarked on a Grand Tour of the outer solar system, a feat made ...

Scientists may have finally revealed the history of the tantalizing TRAPPIST-1 system, an intricate collection of seven worlds that sit about 40 light-years away from us. These worlds, many ...

The young sun may have captured several Mars- or Mercury-size exoplanets that now orbit in the outer reaches of the solar system, but identifying them will be extremely challenging. When you purchase ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

Artist’s conception of the K2-360 system, showing the ultra-dense super-Earth K2-360 b (red) in its extremely close orbit around its Sun-like star, with the more distant companion K2-360 c (blue) in ...