View of the Moon with the Earth in the foreground: new measurements support the theory that the Moon is material ejected from the Earth's mantle.

NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in ...

Astronaut Don Pettit took this stunning photo of a nearby comet from the International Space Station ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

A NASA X-ray imager is heading to the Moon as part of NASA's Artemis campaign, where it will capture the first global images ...

Here’s how it works. Earth has existed for 4.54 billion years, and during that time, our planet has undergone a number of violent transitions. This makes it difficult for researchers to find out ...

The Earth’s surface is a dynamic mosaic of geological features and tectonic activity, evolving over billions of years.

For a more in-depth look at our Celestron NexStar 4SE review During its opposition, Mars also gets the sun's full glare, as seen from Earth. That makes the Red Planet's surface features more ...

Given the state of play between multiple superpower adversaries, the next 12 months may turn out to be some of the most consequential in recent history. In a sinister omen for the coming year ...

Rocket Lab launched a private Earth-observing radar satellite to orbit today (Dec. 21) on the company's final mission of a busy 2024. An Electron rocket lifted off from Rocket Lab's New Zealand ...

After a series of technical hiccups prevented Boeing’s Starliner capsule from bringing NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore back to Earth in August 2024, it appears that ...