In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery offers a rare vision of how Earth-like worlds may begin.

In a cosmic breakthrough, scientists using the James Webb and ALMA telescopes have caught a rare glimpse of a planetary ...

The punishing radiation appears to be causing the planet to shed its atmosphere at a rate of at least 1 trillion grams per second, according to a new study involving NASA 's Chandra X-ray Observatory.

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

In a recent episode of SETI Live, Communications Specialist Beth Johnson spoke with Ian Pamerleau, lead author of a new study ...

A baby planet is shrinking from the size of Jupiter with a thick atmosphere to a small, barren world, according to a new ...

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

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

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius ...

Stars and planets are naturally associated with one another. While some planets have gone rogue and are drifting through space, the vast majority are in solar systems, where they're gravitationally ...