By Will Dunham WASHINGTON, July 22 (Reuters) - Scientists are documenting a planetary system in the Milky Way galaxy that is so starkly dissimilar to our own solar system that they are struggling to ...

This space-themed video explores the possible future approach of Gliese 710, a nearby star projected to pass close to our solar system in around 1.3 million years. It presents the idea that updated ...

On August 12, 2026, lucky viewers in and around Greenland, Iceland and Spain—weather allowing—will be able to see one of ...

In the more modern era, the longest eclipse will happen in northern South America on July 16, 2186. This one will peak at ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Researchers at Uppsala University have calculated that the sun contains 55% more silver than previously estimated. The ...

Researchers probe the geochemistry of the moon, Mars, asteroids, and water worlds to understand our home and plan for future ...

Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration depicts exoplanet WD 1856 b in orbit around a dead white dwarf star. - NASA/ESA/CSA/R. Crawford (STScI) New ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

One of the year's best meteor showers is about to begin. Here's what to know about the Perseid meteor shower - and how to see ...