Astronomers have likely witnessed a planet forming in real time, seen inside a spiral arm of the HD 135344B protoplanetary ...

Using the James Webb Space Telescope (JWST), the Hubble Space Telescope (HST) and the Gemini Observatory, European ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

A team led by UdeM researchers confirms a fifth potentially habitable planet around L 98-59, a red dwarf 35 light-years away.

Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii ...

Beyond Neptune, a smaller 'ninth' planet has been identified in the Kuiper Belt.

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...