I first encountered the three-body problem 60 years ago, in a short story called “Placet is a Crazy Place” by American science fiction writer Frederic Brown. In Brown’s story, Placet is a planet in a ...

Science fiction has had a field day with the idea that technologically advanced aliens might build a Dyson Sphere — a star-system-sized megastructure that encloses a whole star — or something similar, ...

What happens when a planet defies every expectation of how worlds are supposed to form and move? In the nu Octantis system, astronomers have confirmed the existence of a planet that orbits in the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The planet, about ...

SALT LAKE CITY--(BUSINESS WIRE)--Spirent, the leading global provider of test and assurance solutions, is pleased to announce SimXona, an industry-first Xona satellite constellation simulator, has ...

In a solar system far, far away, astronomers have discovered evidence of possible "sibling" planets sharing the same orbit. The researchers detected a cloud of debris in the same orbital path as an ...

Want life? Don't get too close to a gas giant planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like huge playground bullies, planets like ...

From an early age, we are taught to understand that the planets of our solar system change in position while orbiting a central star, the sun. But does the sun itself move within the solar system?

Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...