A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

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 ...

2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet ... Combination of Cosmic Processes ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

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 ...

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access the inner planets. Now the results are in, and we can do interesting ...

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 massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.

As experts turn their gaze to the sky, the likelihood of new discoveries increases exponentially. In a new paper published in the journal Earth, a group of scientists may have come ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...