Vibrant auroras could be visible as far south as Oregon and Pennsylvania tonight as Earth reels from a "strong" G3-class ...

Earth will get a second moon, but only for a couple of months. Here's everything you need to know about this cosmic ...

The space rock will make one complete orbit of our planet between Sept. 29 and Nov. 25 before escaping Earth's gravity. Yet ...

An asteroid is headed towards Earth. It's not going to hit us, but it is going to hang out for a couple of months. A recently ...

Around 252 million years ago, the world suddenly heated up. Over a geologically brief period of tens of thousands of years, ...

How did life on Earth begin? and Is there life elsewhere in the universe? Given the enormous interest in these questions, you ...

Nasa has issued an alert for a stadium-sized asteroid set to make a close approach to Earth on Tuesday. The 2024 ON asteroid ...

If it hits as night falls in the U.S. on Monday, aurora could be visible as far south as Iowa and Pennsylvania. If it arrives ...

The implications of not understanding the formation of the inner core are far-reaching. Previous estimates of the inner ...

They pulled off the first private spacewalk while orbiting nearly 460 miles (740 kilometers) above Earth, higher than the ...

Tech billionaire and 3 others return to Earth after first private spacewalk.

The Polaris missions are helping fast-track Elon Musk's Mars city, from testing spacesuits and a spacewalk to planning ...