Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

Unlike typical comets, ‘Oumuamua lacks rock or carbon-rich material. It is also much more elongated than other comets. It ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere.

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around ...

Astronomers have discovered a large trans-Neptunian object, 2017 OF201, at the edge of the solar system. Its strange orbit challenges the Planet Nine theory and shows the space beyond Neptune is not ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years ...

The peculiar trajectory and uncertain origin of interstellar object 3I/ATLAS have sparked scientific debate about its natural or technological origins.

NASA research reveals that the heliosphere, our solar system's protective bubble, may resemble a deflated croissant rather than a comet. This new mode ...

The eight largest moons in our solar system are Ganymede, Titan, Callisto, Io, Earth's Moon, Europa, Triton, and Titania.

Bennu's parent body is part of the Polana family of asteroids. A history of collisions created Bennu, and its original parent ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...