Scott Parazynski has been on five missions, and his favourite part is staring at the stars, moon and his home, planet Earth.

NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth ...

NASA is gearing up for lunar landings with Artemis by testing how powerful rocket exhausts from SpaceX and Blue Origin ...

NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Humans have always been explorers, venturing by land and sea into unknown and uncharted places on Earth and, more recently, ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...

The planetary parade will be most visible about 45 minutes before sunrise, when Mercury, Venus, and Saturn align in the eastern sky, near the crescent moon. Venus and Saturn will be the brightest and ...

The celestial image could be spoiled by a dull Saturn, which might lack the brightness needed to tie the smiley together, ...

In February, stargazers enjoyed a rare occurrence: All seven of Earth's planetary siblings dotted the night sky at once. And ...

Look to the eastern sky late Thursday, and a clear horizon will show you this unusual, grinning planet alignment.