The concept of planetary order dates back to ancient civilizations and scientific revolutions. But a modern system with seven ...

The 950-foot hunk of primordial matter is classified as a "potentially hazardous asteroid," but that doesn't mean it has a ...

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

Did you know that the sun is up for more hours this month than in August? August is summertime, and May is still spring, so it may not seem quite right.

The JWST continues to live up to its promise by revealing things hidden from other telescopes. One of its lesser-known ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...

We are dedicated to nurturing a wide range of talents at every career stage, encouraging them to pursue bold new directions and pioneer groundbreaking fields. Discover the passionate individuals whose ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Using the James Webb Space Telescope (JWST), scientists have found the coldest exoplanet that is orbiting a dead star, also ...