Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a ...

The mixture of gasses measured in exoplanet K2-18 b suggests it may have a global ocean beneath a hydrogen-rich atmosphere—and astronomers even spotted a tantalizing, though unconfirmed, sign of life.

Just 30 years ago, astronomers could not say with total certainty that other stars were accompanied by planets. But thanks to the exoplanet revolution, we now know of 535 times more planets outside ...

Dinosaurs may still exist, at least on other planets. According to a new study published in the Monthly Notices of the Royal Astronomical Society, some scientists believe that dinosaurs, or at least ...

"Even if it is a negative result, that still tells us something." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Late last year, astronomers ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far. When you ...