Two moons orbit Mars, and one of them may be on a path to extinction. However, will this prediction actually come to pass? Here's more about what's happening.

How did this life survive? New research out of the University of Texas in Austin is revealing how an atmosphere may have ...

Mouth-watering pictures show astronauts tucking into off-planet sushi. The unexpected Japanese-influenced feast was enjoyed ...

The Moon is rusting — and it’s Earth’s fault. Scientists have found that oxygen particles blown from Earth to the Moon can ...

See the crescent moon shine with Mars at sunset on Sept. 24. The crescent moon shines close to Mars above the western horizon ...

Scientists have presented the "first compelling evidence for the existence of lava tubes on Venus." And they're way bigger ...

The world is entering its second age of exploration, this one in outer space. But there’s one big question: Will America get left behind? In the 21st century, America has seen enormous technological ...

It has been suggested that lava tubes - underground tunnels carved out by molten rock - might be on Venus, and now we have ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

A new moon is when the moon shares the same celestial longitude as the sun; the two bodies are said to be in conjunction.

Saturn is about to make its closest approach to Earth, and that means you might be able to see its rings — if you have a telescope, that is.