Astronauts aboard the International Space Station, flying at 350 kilometers (220 miles) up, are ideally placed to observe elusive polar mesospheric clouds.
Hurricane Odile tied Olivia (1967) as the strongest hurricane to make landfall in Baja California in the satellite era.
The Curiosity rover on the floor of the Gale Crater caught this image of Mars’ larger moon Phobos passing in front of the sun on August 8, 2014.
Next time you see crepuscular rays extending from a sunset … turn around. Look opposite the the sun. You might catch a glimpse of elusive anticrepuscular rays.
Two powerful storms on the sun this week resulted in beautiful displays of the aurora borealis, or northern lights, that dipped down as far as the northern U.S.
This past full moon was the Northern Hemisphere’s Harvest Moon, known for appearing entirely or nearly full for several nights in a row.
A mesmerizing view down a long, straight stretch of road, with a wild sky above.
In case you missed it! Photos of the 2014 Harvest Moon from EarthSky friends.
Reflections of the moon and the Milky way in a pond atop Independence Pass in Colorado’s Rocky Mountains
Astrophotographer Justin Ng has just returned from Mount Bromo. Here’s what a night on an active volcano in Indonesia looks like.
A composite of 1/2-second of time when two objects in space converged. ISS is at 300 kilometers and the moon is at 384,000 kilometers away.
The Republic of the Philippines in Southeast Asia – in the western Pacific Ocean – consists of 7,107 islands.
Arecibo Observatory’s 1,000-foot (305-meter) radio telescope is the world’s largest single-aperture telescope.
Beautiful shot of M31 – closest large spiral galaxy to our Milky Way – by our friend Tom Wildoner.
Did you see the moon near the planets Saturn and Mars Sunday evening? Thanks to all EarthSky friends who captured and shared these beautiful images.
Very beautiful aurora over Östersund, Sweden. We love aurora season!
Isn’t this gorgeous? Clouds at sunset over Italy’s Ligurian Sea by Maranatha.it Photography.
A crescent moon – just set below high, hardened sand dunes in Goblin Valley State Park in Utah – creates a kind of “blue hour” glow in the sky.
It was a glorious weekend for planet-watching. The moon waned and appeared lower in the east before dawn each day, sweeping past Venus and Jupiter.
In honor of the return of aurora season to Earth’s northerly latitudes, here’s the aurora borealis – northern lights – above Norway’s Lyngen Alps.
One of the first auroras of the 2014 autumn season appeared last night at northerly latitudes. Astronaut Reid Wiseman caught it from space. Photographer Göran Strand caught it from Sweden.