On a day like any other, astronomers peered into the depths of space and found something utterly perplexing on the Martian ...

The rare samples, uncovered by China’s Chang’e-6 mission, might help to reveal secrets of how the Solar System evolved.

NASA is looking for new ideas for moon landers to help astronauts return to the surface of the moon as progress for SpaceX's ...

The first picture of a planet outside our solar system may actually depict a swirl of space dust, a new study suggests.

Blue Origin, owned by Jeff Bezos, and Lockheed Martin are among the contractors that may compete with Elon Musk’s company in ...

Earth's moon is occasionally illuminated by flickers, glows or beams of light. What are these mysterious lights?

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a ...

Mars has fascinated scientists for decades, particularly its intriguing gullies etched into the sandy dunes of theRed Planet.

Blocks of frozen carbon dioxide sliding down Martian dunes may have carved the planet’s strange gullies, mimicking the work ...

It’s a cosmic puzzle piece that doesn’t seem to belong to any known set. We all know the Moon has a side that always faces away from us, but it turns out that far side might be hiding something ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Two spacecraft are on course for 3I/ATLAS, a mysterious interstellar object that some believe could be an alien mothership.