In the middle of the Pacific Ocean, thousands of miles from any continent, Easter Island rises out of the sea. Its surface ...

The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

The reading from a spirit, or bubble, level is dependent on many factors, say our readers, including the effect of the moon ...

We've mapped the Moon more thoroughly than our own ocean floor, but a leap forward has come with NASA's SWOT satellite. Using ...