The Earth formed 4.6 billion years ago and has been continuously changing ever since. For instance, the Himalayas continue to ...

Researchers in Japan have found that the parent asteroid of Ryugu, a near-Earth asteroid, retained water in ice form for billions of years, and this could challenge previously existing theories on how ...

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

The reptiles had such an "immense" impact on the planet that their sudden exit led to wide-scale changes. The post How ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases the size of the Moon’s orbit. This means that the Moon gets slightly farther ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

A planetary perspective on the relationship between life and energy, and the emergence of a life form whose influence extends ...

A 2014 astronaut photo shows a pair of volcanic lakes appearing to stare up into space from the Chiltepe Peninsula of ...

The long-standing idea of planets forming in perfectly flat, orderly discs has been challenged by new research. Instead of ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...

The brightest, best date for spotting Saturn is fast approaching. Here's how to see the ringed planet from Indiana.