Dust devils on Mars can be some 10 times larger than any tornado on Earth. They’re a Martian version of extreme weather.
As the April 4 lunar eclipse approaches … some interesting composites from the last lunar eclipse.
Beautiful photos of the March 2, 2015 moon and Jupiter. Our thanks to all who posted at EarthSky Facebook and G+, and submitted directly to EarthSky.org.
Another good reason to grab that window seat! Colin Legg captured this great photo of a meteor shower, seen from an airplane window.
Two photographers – Mike Taylor and Sonia MacNeil of Mike Taylor Photo – caught a bright meteor, or fireball, from an icy beach.
Beautiful time-sequenced images from 2007, when the daytime moon covered the brightest planet, Venus.
Orion the Hunter of one of the brightest and easiest-to-find constellations. Orion also contains a vast region of bright and dark clouds, hidden to the eye.
Wonderful photos of Venus and Mars, and the waxing moon, after sunset on February 20-21, 2015! Thanks to all who posted at EarthSky Facebook or submitted to EarthSky.org.
Wonderful photo of an unusual rain cloud, plus two others from Mutare, Zimbabwe. Thanks for sending them, Peter Lowenstein!
The planets Venus and Mars are about to be amazing in the western sky after sunset. Watch for them. Cool selfie from Jean-Baptiste Feldmann in France!
It was cold in the upper U.S this weekend, when Joshua Nowicki noticed and captured these cool frozen sand formations.
It’s 7,500 light years away, in the Perseus Arm of our Milky Way galaxy, in the direction to the constellation Cassiopeia the Queen.
The valiant MESSENGER spacecraft made Earth, Venus and Mercury flybys before its Mercury orbit four years ago. Soon it’ll crash into Mercury, but for now … new images!
Spacecraft is headed to L-1 point in Earth-sun system, where it’ll provide advance warning of incoming solar storms that can disrupt power grids and satellite systems.
The brightest planet in our sky, and the largest cactus species in the U.S. Thank you, David Jamieson, for sharing your photo with EarthSky!
Goshen Pond. Shamong, New Jersey. Venus (below) and Mars in the western twilight. Thanks to Samuel Markey for sharing his photo with us!
A big thank you to our friend Janet Furlong for sharing her photo with us!
An awesome gallery of photos of Jupiter and the full moon on February 3-4, 2015. Photos by EarthSky friends. Thank you all!
Two Dog Stars and a real dog named for a star.
People at high northern latitudes sometimes experience an ethereal display of colored lights shimmering across the night sky – the aurora borealis or northern lights. What causes them?