The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

There are quite a few other places we might find life in the solar system, including dwarf planets like Ceres. Ceres is ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

NASA aims to study rocky planets similar to Earth and analyse their atmospheres for biosignatures. The James Webb Space ...

By 2015, NASA announced that Kepler had discovered its 1,000th exoplanet. 2016 was a banner year for exoplanet detections with nearly 1,500 in that year alone. The total number reached 5,000 in March ...

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

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of ...

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

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

Is there a ninth planet out there? Why do some astronomers believe it might exist? Here’s what we know so far.

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...