James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 ...

As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter or Neptune long ago. It might have even been flung out to the distant Oort ...

IRA FLATOW: Absolutely. Because we’re going to be spending the rest of the hour talking about the latest from the James Webb Space Telescope. So much interesting stuff coming out of that research.

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...