The walking and hopping SpaceBok robot is being tested now in ESA's Mars Yard, in the Netherlands. Someday these little robots might help explore the moon, or Mars.
This comet is due to pass closest to our sun and Earth in December 2018. It's already the brightest comet in the night sky, visible to astronomers with telescopes and binoculars. A new image shows the comet's rotation!
There's a legend about this tree. It's said it started out as a fence post about 80 years ago, then sprouted into the tree you see here, beloved of photographers.
Gilbert Vancell caught these 2 dwarf galaxies - satellites to our Milky Way - from Bromo Tengger Semeru National Park in Indonesia, home to active volcanoes.
Both Leonid and Taurid meteors were raining down this past weekend. Many said the Leonids were sparse this year, but the EarthSky community caught some! Photos here.
Satellite image of the area around Paradise, California, on the morning of November 8 shows the Camp Fire when it was only 4 hours old, yet had already burned halfway through the city.
Charlie Winstead in southwest Indiana said, "Looked like there would be an interesting sky at sunrise, so headed out to shoot ... While en route, I noticed the sun pillar."