Eruption subsides at Alaska’s Pavlof volcano

Large plumes of ash were released during an eruption at Alaska’s Pavlof Volcano in early June 2014. The volcano remains on an orange alert level.

Stars reflecting in Unity Pond, Maine

A four-shot panorama featuring the springtime arc of our Milky Way galaxy reflected in the calm water of Unity Pond, Maine.

Hatta Dam, day to night

A composite image created from two photos - one day and one night - of Hatta Dam in the United Arab Emirates.

Asteroid nicknamed Beast to fly past Earth June 8

Once they looked, astronomers began finding many asteroids near Earth. The one passing Sunday, June 8 is an especially big one, found only two months ago.

This insect has nature’s highest-pitched call

The newly discovered ‘Supersonus’ hits the animal kingdom’s highest-pitch call. Why? For love, of course.

Jet zips past moon

"Aimed at the moon and started to focus when I saw the jet enter the frame ... "

Light from huge explosion 12 billion years ago reaches Earth

Intense light from an enormous star explosion more than 12 billion years ago — shortly after the Big Bang — recently reached Earth and was visible in the sky.

Close-up views of large hurricane on Saturn

This massive hurricane at Saturn's north pole may have been churning for years.

Why do koala bears hug trees?

As temperatures climb, koalas move to cooler trees and go limp, like wet dishrags. Turns out their tree-hugging is a cooling mechanism.

Rosetta spacecraft watches target comet come alive

Later this year, the Rosetta spacecraft will orbit and land on Comet 67P/Churyumov-Gerasimenko. Here's an update, in this new NASA video.