Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That's been a source ...

This artistic impression shows the collision of two planetesimals in the young, evolving planetary system of Fomalhaut. NASA’s Hubble Space Telescope has captured the dramatic aftermath of two violent ...

Scientists have long been puzzled by one of the universe’s most common planetary types. Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet ...

"Our discovery offers further evidence that the galaxy may be teeming with rogue planets." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Rogue ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. It can be tricky to find a crib ...