New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid ...

If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...

Gravitational anomalies detected by NASA and the German Aerospace Center’s GRACE satellites confused scientists for years.

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...

As Maryland’s only show cave open to the public, Crystal Grottoes Caverns offers something you literally cannot experience ...

The crown jewel of Ohio Caverns is the Crystal King, a massive stalactite that dominates one of the main chambers like a ...

You do not need glasses when seeing a lunar eclipse; however, astronomers and astronomy experts commonly use binoculars or telescopes for better and more detailed viewings of such events.

The discovery of the molecules was made with Nasa’s Curiosity rover, which examined a Martian rock named Cumberland. This is ...

Some people thought he was confirming aliens exist. But he later clarified on Instagram that during his time in office, he ...

Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...