The tiny Martian moon Phobos with its enigmatic grooves. Stickney Crater is in the bottom right corner of the image. Image via NASA/JPL-Caltech/University of Arizona.
Mars' moon Phobos is an enigmatic little world, with unusual grooves cutting across its surface. Now scientists have new evidence to support the theory that they were created by rolling boulders. Read more.
It's been 20 years since the launch of the International Space Station. To celebrate, enjoy this video timelapse of 2 trips around Earth, via ISS astronaut Alexander Gerst. Longest-yet timelapse from space! Watch.
Quelccaya, in the Central Andes of Peru, is the largest tropical ice cap in the world. A recent study suggests that the ice cap might soon cease to exist. Read more.
The European Space Agency has named Oxia Planum on Mars as the landing site for its ExoMars rover, due to set down in 2021. Read more.
Map of Mars showing the 2 finalist landing sites on Mars, Mawrth Vallis and Oxia Planum. Now Oxia Planum has been given the nod for the ExoMars mission. Image via NASA/JPL/USGS.
Photographer Eliot Herman got lucky and captured a pink lunar halo when he was out snapping pictures of Venus before dawn on November 26 in Tucson, Arizona.