Astronomers have discovered 85 possible exoplanets outside the Solar System which could potentially sustain life after ...

Astronomy has unveiled some of the most impressive results: two Earth-sized Exoplanets orbiting a very nearby star called HD ...

Jupiter is huge when it comes to planets in our solar system, but it turns out there's actually an upper limit when it comes ...

The biggest stories of the day delivered to your inbox.

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...

Each JuMBO pair comprises two gas giants, each between 0.7 and 30 times the mass of Jupiter. These "rogue" planet partners have been found orbiting each other — but not a parent star — at a distance ...

A "baby" planet that astronomers recently observed some 430 light-years from Earth may be the youngest planet ever discovered. Forming an estimated 3 million years ago, the planet may seem old to us.

A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," may have formed. When you purchase through links on our site, we may earn ...

The discovery comes just days before what is anticipated to be a bumper year for exoplanet discovery, with the James Webb Space Telescope scheduled to release more data.

NASA's TESS satellite made the find. A Neptune-sized planet closely orbiting its host star has just been discovered, making it only the fourth object of its kind ever identified. Scientists ...