NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...
A new paper examining and simulating the formation of wide-orbit planets has put the chances of our own Solar System harboring the hypothetical "Planet Nine" at up to 40 percent. In 2016, two ...
Discover mind-blowing facts about the Solar System in our video "25 Insanely Cool Facts About the Solar System" WATCH OUR ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. 2023 KQ14, nicknamed “Ammonite,” is a trans-Neptunian object ...
Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.
NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...