Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A Jupiter-size planet around a distant star has given astronomers a rare glimpse into the effects ...

Billions of stars in our Milky Way galaxy have captured rogue alien planets that once cruised freely through interstellar space, a new study suggests. Many wandering alien worlds, which were ejected ...