In 1995, scientists made a revolutionary find with the discovery of 51 Pegasi b, a massive exoplanet in a tight orbit around ...

Every classroom globe, every satellite photo of Earth from orbit, every map projection of the planet’s surface carries an ...

Add Yahoo as a preferred source to see more of our stories on Google. What type of star it is: A yellow dwarf star The sun is the star at the center of our solar system. It's the largest, brightest ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's just a blip in the 13.8 billion-year story of the universe. And one day, the solar system will cease to ...

A village in Kent is home to what is thought to be the world's largest scale model of the solar system and beyond, created to ...

Scientists studying 50 years of solar data warn Earth may be entering a heightened risk period for rare “superflares” capable of disrupting technology worldwide.

When the sun eventually expires and swells to engulf Earth, might the remnants of landfill and deeply buried nuclear waste be ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...