The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

Researchers from the University of Maryland found evidence suggesting the Moon is geologically active, including the ...

If the scientists could very precisely measure the proportions of lutetium and halfnium in moon rocks compared to other ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

The team ventured into the partially flooded cave as part of an ongoing research project. See what they found inside.

North Korea has dismissed US secretary of state Marco Rubio's 'rogue state' remark as nonsense and a grave political provocation, threatening tough counteraction. Despite Trump's diplomatic ...