What methods can be used to identify subsurface oceans on the five largest moons of Uranus: Ariel, Umbriel, Titania and ...

After nearly 20 years of operations, NASA's Mars Reconnaissance Orbiter (MRO) is on a roll, performing a new maneuver to ...

A tiny grain from asteroid Ryugu has revealed djerfisherite, a mineral that normally forms in scorching, oxygen-poor settings ...

The freshly minted telescope discovered 2,000 previously unknown asteroids in just 10 hours. Weirdly, NASA doesn’t seem to ...

NASA’s Mars Orbiter is rolling 120° to help see beneath the surface - and it’s revealing clearer signs of ice, rock, and ...

Astronomers estimate that an asteroid this large comes this close to Earth only about once every 7,500 years. It also appears ...

Imaging data from Japan’s Himawari-8 and -9 meteorological satellites have been successfully used to monitor temporal changes ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...

Planetary Scientists Find Unexpected Mineral In 496-Million-Ton Asteroid — And It Defies Ryugu's Origin Story The latest ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The designation is already used in other parts of the world to raise awareness for space science and planetary defense.