Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Astronomers have discovered thousands of planets beyond our solar system, but finding them is incredibly difficult. Unlike ...

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting ...

Starship’s heavy lift capacity, in orbit refueling, and potential aerobraking role could significantly accelerate a long-awaited mission to Uranus.

How many Earths could fit inside the planets of our solar system.

A small, round piece of asteroid Ryugu (sample #91), called “S-lunar,” contains tiny particles (less than 1 mm) that will allow planetary scientists to study the magnetic signature of the early solar ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

Asteroids are some of the oldest objects in the solar system: leftovers from the chaotic time when planets were assembling ...

Satellite views and space telescopes allow scientists to see amazing wonders, such as sand seas in the Namib Desert, "spiderweb" formations on Mars, and even distant nebulae. Sometimes, though, a ...

Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed interstellar visitor ever s.

Venus and Saturn will appear close together in the night sky Sunday, March 8. Here's how to see the conjunction from around ...