So-called M dwarfs are the most common stars in the Milky Way. A research team has determined around which of them Earth-like ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

A rare Jupiter-sized planet AT2021uey b was found 3,200 light-years away using microlensing, a method based on Einstein's Theory of Relativity that observes light bending.

Plus, an in-depth look at how the West Texas city of Seminole reacted when a measles outbreak tore through the region.

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Pluto is the tiniest planet in our solar system with a diameter of roughly 2,377 kilometers, making it even smaller than our ...

Scientists from Vilnius University (VU) Faculty of Physics, along with members from Poland and other countries, discovered a ...

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of how planets form.

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...

Scientists using the James Webb Space Telescope may have directly imaged a Saturn-mass planet orbiting the young star TWA 7.