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

Despite being more massive than Uranus, Neptune has a smaller total diameter and thinner atmosphere compared to its icy ...

The nearby star Vega, featured in the 1997 movie Contact, appears to have a smooth disk devoid of giant planets for reasons ...

The mini-moon 2024 PT5, which has been orbiting Earth for two months and is likely a chunk of the moon, will now drift away ...

Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of ...

I enjoy marking day’s end, beginning of nighttime, with a glance to the dazzling white Evening Star low in the ...

On Earth, the magnetic field of our planet points a compass north, but in space, things are a bit more complicated.

The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano 1.

From the center of the solar system, rages a powerful wind. Sent by the Sun, this wind whips at speeds exceeding one million ...

In a study published Wednesday in the journal Nature, astronomers describe the youngest transiting planet ever found. It’s ...