NASA reveals that Jupiter's size is smaller and flatter than previously thought, changing key models of the current Solar ...

For some time, astronomers have theorized that there is a connection between planetary mass and rotation. In the solar system ...

The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons.

A newly studied planetary system appears to break the expected order of worlds, revealing an unusual arrangement that current theories struggle to explain. “Many Vile Earthlings Munch Jam Sandwiches ...

Planets are born from the rotating disk of gas and dust that surrounds a star in its youth. While it is commonly accepted ...

NASA's administrator wants to reclassify Pluto as a planet, reigniting a 20-year controversy over its status in our solar ...

As they traveled back toward Earth following a solar eclipse and a communications blackout, President Trump called the space ...

The crew members of the nine Apollo missions to the Moon remain, to this day, the farthest-flung human beings in history. The Moon is, on average, 250,000 miles (400,000km) from the surface of the ...

Follow along for live updates as Artemis 2 makes its closest approach to the Moon.

The four NASA Artemis II astronauts will swing around the far side of the moon, venturing deeper into space than any humans ...

The Artemis II crew discusses their experiences and adjustments to space while they continue their mission around the moon.

Four astronauts on the Artemis II mission are on their way to journey around the moon after successfully conducting the ...