Mercury, the smallest and innermost planet in our solar system, has a number of unusual characteristics ... was far more ...

The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.

Pounding icy objects on Mars could make it survivable for humans, says a new study. Scientist Leszek Czechowski of the Polish ...

New observations have revealed that we were wrong about the length of a day on Uranus. According to the most precise ...

The James Webb Space Telescope has just achieved a historic first by capturing direct images of carbon dioxide in the ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by dynamic interactions with its companion. An international team of researchers ...

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

A team from the University of Bern and the National Center of Competence in Research (NCCR) PlanetS has developed a ...

In the great tug-of-war between the Sun and its planets, Jupiter, Saturn, and Uranus are much more susceptible to solar ...