'Eroded Layers in Shalbatana Valles' image from the #NASA_Apphttps://t.co/BC7hV3hcrU pic.twitter.com/yOQgv6TsXI

— North Essex Astro (@NorthEssexAstro) February 21, 2018

The Curiosity Rover Just Drilled into a Rock on Mars for 1st Time Since 2016 https://t.co/tkCaEk9v1z pic.twitter.com/exEnlrGFST

— SPACE.com (@SPACEdotcom) March 1, 2018

HiPOD (1 March 2018): Getting from Here to There in Utopia Planitia – Is this a wrinkle ridge or a flow margin? https://t.co/Tald3aYpWu#Mars #Science pic.twitter.com/sH9ONJmd7a

— HiRISE (NASA) (@HiRISE) March 1, 2018

HiPOD (9 Mar 2018): Seasonal Frost on Crater Slopes
318 km above the surface. Black and white is less than 5 km across, and enhanced color is less than 1 km. https://t.co/Kyu62WF8WM#Mars #science pic.twitter.com/eZlqO74NZX

— HiRISE (NASA) (@HiRISE) March 9, 2018

HiPOD (22 Mar 2018): The Exposed Exterior of a Modified Crater in Tantalus Fossae

Many craters in this area have been extensively modified, but few are sitting on the edge of a graben like this.https://t.co/Hk70OCGfNk#Mars #science pic.twitter.com/mfLg4N525w

— HiRISE (NASA) (@HiRISE) March 22, 2018

While you've been on Earth for the last 2000 days, our @MarsCuriosity rover has been exploring another world entirely. The rover just hit a new milestone: its 2000th sol on Mars. A sol is slightly longer than an Earth day at 24 hrs & 40 mins. More: https://t.co/fNmVudtm6X pic.twitter.com/wb451u7Sp8

— NASA (@NASA) March 24, 2018

ExoMars has sent back its first images from Mars - https://t.co/ZSeMng2KIs pic.twitter.com/4eOT0YYDdK

— Fraser Cain (@fcain) April 27, 2018

so here’s a picture of Mars from today and it’s still amazing that we get daily pictures from the surface of another planet pic.twitter.com/L5Wx1XzkTl

— Bobak 'NASA' Ferdowsi (@tweetsoutloud) April 27, 2018

Icy Mars Crater Shines in European Probe's 1st Photo from New Orbit https://t.co/HasL32XLln pic.twitter.com/k7gH8EaIHG

— SPACE.com (@SPACEdotcom) April 27, 2018

Southern Hemisphere Crater with Dune Field on #Mars - Created using @HiRISE DTM datahttps://t.co/zNruXNOiaZhttps://t.co/aVHsg1hT9whttps://t.co/5llAl8OXkahttps://t.co/zYYfxVhILp pic.twitter.com/2mT0OUefPE

— Kevin M. Gill (@kevinmgill) May 10, 2018