According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek Space:1999 free-floating planets, As J.R.R. Tolkien wrote in The Fellowship of the ...

Four small rocky planets detected in orbit around Barnard's Star, the nearest single star system to our solar system, are seen in this illustration released on March 11, 2025. International Gemini ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is ...

one which can offer superb views of the other bodies in the solar system. But which one to choose? We've got you covered with our guide to the best telescopes for seeing planets. There are several ...

At 5.97 light-years from Earth, it is the fourth-closest star to our solar system, after the three interconnected stars of the Alpha Centauri system. (Five potential planets have also been ...

Carbon dioxide has been detected on a planet outside our solar system for the first time. The gas has been observed directly by the James Webb Space Telescope on four exoplanets, all belonging to ...

The findings suggest planets in a system 130 light-years away likely built up solid cores before attracting gas, much like our solar system’s gas worlds. Webb’s coronagraphs allow direct atmospheric ...