In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

T he Sun goes through an 11-year cycle of activity, going from the solar maximum, where it is covered in many sunspots and is ...

K2-18b is an exoplanet orbiting a red dwarf star called K2-18, chilling 124 light-years away in the Leo constellation. It’s ...

NASA's Lucy spacecraft will soon swoop past a small asteroid. It will be the second asteroid encounter for Lucy, launched in ...

It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

With Mars in Leo, you can settle into feeling shiny and empowered, even as the Sun leaves your sign on Sunday. Be magnificent ...

According to scientists who observe the Sun's activity, the life span of the yellow star is about 10 billion years.

“Coronal Mass Ejections (CMEs) are clouds of electrified, magnetic gas weighing billions of tons ejected from the Sun and ...

The Lyrid meteor shower is about to reach its peak activity for April. Here's when and how to see it, along with a cloud forecast.

A rarely observed solar pattern—known as the Centennial Gleissberg Cycle (CGC)—may have just “restarted,” according to ...