Scientists are actively searching for exoplanets, planets beyond our solar system, that might harbor life. Using advanced telescopes and methods like the transit and radial velocity techniques, they ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

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 ...

2 vanished 'super Earths' once orbited near Uranus and Neptune, new study hints Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...