A small crystal ball seems to hold a whole galaxy in this creative snapshot. Of course, the galaxy is our own Milky Way. Its luminous central bulge marked by rifts […]

Skies after the near-solstice sunset on June 17 are reflected in this calm lake. The tranquil twilight scene was captured near Bashaw, Alberta, Canada, northern planet Earth. Usually spotted at […]

Newborn stars are forming in the Eagle Nebula. Gravitationally contracting in pillars of dense gas and dust, the intense radiation of these newly-formed bright stars is causing surrounding material to […]

They may look like round rocks, but they’re alive. Moreover, they are modern versions of one of the oldest known forms of life: stromatolites. Fossils indicate that stromatolites appeared on […]

Sometimes the Sun’s surface becomes a whirlwind of activity. Pictured is a time-lapse video of the Sun’s surface taken over a two hour period in early May, run both forwards […]

What’s happened to Mars? In 2001, Mars underwent a tremendous planet-wide dust storm — one of the largest ever recorded from Earth. To show the extent, these two Hubble Space […]

It’s storm season on Mars. Dusty with a chance of dust is the weather report for Gale crater as a recent planet-scale dust storm rages. On June 10 looking toward […]

Engines blazing, a large rocket bids farewell to this little planet. Of course, the little planet is really planet Earth and the large rocket is a Soyuz-FG rocket. Launched from […]

The five naked-eye planets, Mercury, Venus, Mars, Jupiter and Saturn, have been seen since ancient times to wander the night skies of planet Earth. So it could be remarkable that […]

What kind of rainbow is this? In this case, no rain was involved — what is pictured is actually a red cloudbow. The unusual sky arc was spotted last month […]