Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages ...

The comet is only the third interstellar object ever detected from a solar system outside our own. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.