Mercury, the closest planet to the Sun, is a world of extremes and unanswered questions. Though it resembles the Moon with its cratered surface, Mercury is far from ordinary. It’s the smallest planet ...

SYFY ’s The Ark follows the crew of an interstellar spacecraft on a multi-light-year journey to the star next door. In the ...

A TOP scientist claims she was sacked by Nasa after raising concerns about alien life on Mars. Catharine Conley, the agency’s ...

The Sun is a powerful, awe-inspiring force at the center of our solar system. Its brilliance lights up our sky and sustains ...

Almost everything you could want to know about the closest planet to the Sun, Mercury. Real HD photos and videos taken by the ...

Newly released imagery from NASA shows the Sun's corona in stunning detail after the Parker Solar probe performed its closest-ever flyby.

Scientists have released the closest images ever to the sun, captured by NASA’s Parker Solar Probe flying 3.8 million miles ...

The universe beyond our Solar System is vast and filled with mysteries, and some of its most fascinating secrets lie just beyond our cosmic doorstep. While the Sun is the closest star to Earth, it's ...

In a historic milestone for space exploration, NASA’s Parker Solar Probe has delivered the closest-ever images of the Sun — a ...

Have you ever wondered how long it would take to travel to each of the planets in our solar system? The distances between ...

Proxima Centauri, just 4.24 light-years from Earth, is the closest known star to our Sun. Though it’s the smallest member of ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...