Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Left to right: Saturn, Uranus, and Jupiter show off their rings for various NASA spacecraft ...

Upgraded ALMA images expose hidden rings and spirals around baby stars, indicating planets begin taking shape mere cosmic ...

Here’s a look at where the planets will line up in the night sky. Viewing will be the most optimal an hour past sunset this week. Notice Mars, Jupiter, and Venus are the most clear, with ...

Science News: Saturn's rings, once thought young, might be as old as the planet itself, around 4.5 billion years. New research using Cassini data suggests micromete ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...