Over the 68 years that humans have been launching satellites into space, we have created a whole load of space junk. Why?

Discover what the Hubble Outer Planet Atmospheres Legacy program has learned about the outer planets, including Jupiter, ...

The daring NASA spacecraft made its closest-ever approach to the sun at 6:53 a.m. EST (1153 GMT) on Christmas Eve (Dec. 24).

For two decades now, the iconic twin Voyager spacecraft have been quietly overturning everything we thought we knew about the ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

An object that orbits in the space between Jupiter and Neptune has chemistry that could tell us more about the birth of the ...

This is a montage of Hubble Space Telescope views of our solar system’s four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over nearly ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) / VISUALIZATION ...

New studies led by researchers at the University of Central Florida offer for the first time a clearer picture of how the ...