Naiad and Thalassa race around the ice giant in odd orbits seemingly to avoid each other.

On Nov. 12, 2019, NASA’s Parker Solar Probe team released scientific data collected during the spacecraft’s first two solar orbits to the general public.

In a fitting tribute to the farthest flyby ever conducted by spacecraft, the Kuiper Belt object 2014 MU69 has been officially named Arrokoth, a Native American term meaning “sky” in the Powhatan/Algonquian language.

A new paper identifies a ring of minerals at the rover's landing site that are ideal for fossilizing microbial life.

Scientists have found that oxygen in the air above Gale Crater on Mars behaves in a way that, so far, cannot be explained through any known chemical processes.

From our perspective on Earth, Mercury looked like a tiny black dot gliding across the Sun’s face.This only happens about 13 times a century.

The Lunar IceCube mission, led by Morehead State University in Morehead, Kentucky, will study water distribution and interaction on the Moon.

NASA scientists opened an untouched rock and soil sample from the Moon returned to Earth on Apollo 17.

Five new research papers detail Voyager 2's observations since it exited the heliosphere, or the protective bubble of particles and magnetic fields created by our Sun.

NASA is sending a mobile robot to the South Pole of the Moon.

NASA’s Lucy mission successfully completed its Critical Design Review on Oct. 18.

NASA will provide live coverage on NASA Television of key events at the 70th International Astronautical Congress (IAC), which takes place Oct. 21-25.