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

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.

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.

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and appearing near the moon. Venus and Saturn will be the easiest to spot — but for ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

Images of a supposed "Smiley Face Moon" have been popping up on social media. Here's what's real about this week's sky show.

A new survey of distant galaxies undertaken by the James Webb Space Telescope (JWST) is revealing new secrets of the "cosmic noon"—when galaxies in the young universe underwent something of an awkward ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.