Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...

Add Yahoo as a preferred source to see more of our stories on Google. Earlier this month astronomers were thrilled to discover only the third known interstellar object ever seen in our solar system.

Scientists have been wondering for years whether there is a ninth planet in our solar system. Now, a study by Japanese scientists seems to bust that belief. They have found an object orbiting the Sun ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

Peering through a cosmic keyhole at distant baby star, astronomers may have opened a new window on the deep past of our own solar system. Weighing in at 0.6 solar mass, HOPS-315 should someday grow to ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

At the farthest reach of the Sun’s influence, NASA’s Voyager 1 spacecraft has stumbled into a region that behaves less like empty space and more like a furnace, where charged particles heat to tens of ...

Swinburne University of Technology provides funding as a member of The Conversation AU. This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...