Firefly’s Blue Ghost Mission 1 is making strides toward the Moon, with NASA’s SCALPSS 1.1 successfully capturing ...

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

NASA Voyager 1 probe discovers Saturn’s moon, Epimetheus. Saturn would be the last planet Voyager 1 would visit before beginning its ongoing journey out of the solar system. The probe entered ...

NASA's Voyager 2 spacecraft flew by Uranus. This was the first time any spacecraft had ever visited Uranus. Its twin ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the Solar System.

Venus, Mars, Jupiter & Saturn, already visible to the naked eye, will be joined by Mercury, Neptune & Uranus in a rare ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

“Saturday evening, January 18: Venus and Saturn will appear nearest to each other. As evening twilight ends at 6:15 p.m. EST, ...

"This Voyager spacecraft was constructed by the United States of America. We are a community of 240 million human beings ...