The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

One of the boldest dreams in modern astronomy is the search for Earth-like worlds beyond our solar system. These exoplanets ...

Importantly, the 6,000 figure is continuously updated as astronomers around the world confirm new planets, meaning no single planet is officially the 6,000th.

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...

This discovery was made by two of NASA’s most celebrated telescopes. This illustration provided by Dan Durda shows the exoplanet Kepler-1625b with a hypothesized moon. On Thursday, Oct. 4, 2018, two ...