On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

KENNEDY SPACE CENTER — SpaceX’s Falcon 9 rocket pierced the Wednesday morning sky as it launched three spacecraft from NASA and NOAA that will study the solar system’s “bubble,” collect information on ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Check out favorite photos taken by Lincoln Journal Star photographers Kenneth Ferriera and Arthur Trickett-Wile in 2025.

Lincoln Journal Star photojournalist Arthur Trickett-Wile looked back on photos he'd taken in 2025 and picked some of his ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

An "extra exceptional" Tatooine-like exoplanet, orbiting two suns, has been discovered. Astronomers say the "huge" new world is six times the size of Jupiter despite only forming 50 million years ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...