Astronomers have long wondered why planets orbiting two stars like the iconic Tatooine in Star Wars are so rare. You would ...

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

6 planets will align in a 'planet parade' Saturday, Feb. 28, 2026, shortly after sunset. Here's which planets you might see and how to best view them.

The other discovery is the cooling of the atmosphere. Combining the observations from JWST with measurements from Voyager 2, ...

Six planets—including Venus, Jupiter, and Mercury—will line up in the sky. Here’s the best time to watch and where to find ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed ...

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...