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

A planetary alignment early Friday morning could resemble a celestial smiley face—depending on where you’re looking from and ...

This rare alignment will be visible for about an hour at around 5.30am on Friday morning, with sunrise taking place at around ...

For those up and about before sunrise on Friday, a smile in the sky will look down on Massachusetts from the sky above.

Geo-engineering is being pursued by private companies looking to ward off climate change and/or gain carbon credits. But it ...

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and ...

Solar Orbiter pieced together 200 ultraviolet images to show our star’s million-degree atmosphere in all its glory.

In celebration of the 35th anniversary of the legendary space telescope’s launch, here are 35 of our favorite images it has ...

Well, in the predawn hours of April 25 it literally will be thanks to a double conjunction that will see Saturn, Venus and ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

If you’ve ever looked up at the night sky and wondered what’s out there, now’s a great time to check out Markarian’s Chain — ...

But Kanab offers more than movie history – it’s a gateway to some of Utah’s most amazing natural wonders. Within an hour’s ...