Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

Venus—a hot planet pocked with tens of thousands of volcanoes—may be even more geologically active near its surface than ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

What can Venus-like exoplanets, also known as exoVenuses, teach us about our own solar system and potentially finding life ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

“When compared to our solar system, each of the four planets are inside the distance of Mercury’s orbit,” Basant said. The ...

They range in size from the planet-sized Titan, which is larger than Mercury, to tiny potato-shaped moons ... more moons than those around all the other planets in the solar system combined. Since we ...