The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering mystery about how distant planets form, researchers said.

Astronomers have announced that the James Webb Space Telescope has successfully captured its first direct images of carbon dioxide gas on a planet beyond our solar system. The findings are both a ...

"Every new result can reshape our understanding of planets, their habitability, and our place in this universe." ...

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 ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Giant planets can form in two ways: slowly building solid cores that attract gas, like our solar system, or rapidly collapsing from the cooling disk of a young star to become massive objects.

(Our own solar system is about 4.6 billion years old ... Scrutinizing the giant gas planets like those recently observed in HR 8799 can help clue researchers into how those huge planets affect ...

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 ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

Giant planets can take shape in two ways: by slowly building solid cores that attract gas, like our solar system, or by rapidly collapsing from a young star's cooling disk into massive objects.

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea, says Abigail Beall ...