Here’s how it works. Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but are unlike any in our own solar system. The two exoplanets ...

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 HR 8799 system, a mere 30 million years old, is a cosmic youngster compared to our 4.6 billion-year-old solar system. Its planets, still radiating heat from their turbulent formation ...

T he James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system ...