Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

But on larger icy moons, the ice layer may break up before the water boils, preventing the formation of a boiling ocean.

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Emily Kwong and Regina Barber of NPR's Short Wave podcast talk about the evolutionary history of kissing, how moss spores fare in space, and new clues about the collision that created the moon.

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

The Solar System is more than just planets; it is home to a dazzling variety of moons, each with its own unique charm. Some ...

Currently there is a third “interstellar interloper” now passing through the solar system designated as 3i/ATLAS, for the ...

Key Findings The moon once dismissed as the solar system's most hostile environment may now sit directly in the path of an ...