Atlas V Rolls to Pad for Launch, as Delta IV Heavy Receives Secretive NROL-44 Payload

@NASAPersevere rolls to the pad atop Mighty Atlas, as Majestic Delta receives its NROL-44 payload. […]

Perseverance Wraps Up LRR, On Track for Thursday Launch

Launch teams declared @ULALaunch Mighty Atlas, @NASAPersevere & ground assets ready to support Thursday’s launch to Mars. […]

Ready for Mars: Perseverance Counts Down to Thursday Launch (Part 2)

@NASAPersevere is 4 days out from launch atop @ULALaunch Mighty Atlas. Next stop: Mars. […]

Opportunity Rover Approaches Martian Gully After Leaving Cape Tribulation

Composite view of the grooved ridge called Rocheport; the images were taken by Opportunity as it was leaving Cape Tribulation. The view extends from the south-east to the north. Image Credit: NASA/JPL-Caltech

For about the past 30 months, the Opportunity rover has been exploring Cape Tribulation on Mars, a towering ridge on the […]

Opportunity Rover Begins 'Mountain Climbing' Up Steep Ridge at Endeavour Crater

Panoramic view of Knudsen Ridge, where Opportunity has been climbing a steep 30 degree slope. Image Credit: NASA/JPL-Caltech/Cornell/ASU/James Sorenson

NASA’s Curiosity rover on Mars may have been stealing the spotlight in recent years, but the other rover, Opportunity, is still going strong after 12 long years. Opportunity has survived the harsh environment and […]

'Cauliflower' Silica Formations on Mars: Evidence of Ancient Life?

Image of “cauliflower” silica formations found by the Spirit rover in 2008 near Home Plate in Gusev crater. Do they hold clues to ancient life on Mars? Photo Credit: NASA/JPL-Caltech

Was there ever life on Mars? That is one of the longest-running and most debated questions in planetary science, and while there have […]

Incredible Opportunity: '90-Day Rover' Celebrates 12th Anniversary on Mars

Opportunity examining the rock outcrop called “Private John Potts” on the southern side of Marathon Valley. The rover has just passed its 12th anniversary milestone and is still going strong. Photo Credit: NASA/JPL-Caltech

We’ve all seen the commercials for the Energizer Bunny, which keeps going and going and going. … It just never […]

Welcome to Bagnold: Curiosity Rover Reaches Massive Dark Sand Dunes Near Mount Sharp

View overlooking part of High Dune, which is covered in smaller sand ripples. The image is white-balanced, to show how the scene would look under more Earth-like conditions. Image Credit: NASA/JPL-Caltech

Since landing in 2012, the Curiosity rover has seen a lot of varied terrain within Gale crater, including ancient riverbed gravel, sandstone […]

Drones on Mars? Small 'Helicopter-Like' Scout Could Be Added to Mars 2020 Rover Mission

Artist’s conception of the helicopter-like drone which could accompany the Mars 2020 rover. Image Credit: NASA

Over the past few years, numerous orbiters, landers, and rovers have been sent to Mars, revealing the world as never before. There is, however, something else which hasn’t been done yet: a helicopter, airplane, or balloon. An […]

NASA's Curiosity Rover Approaching Active Martian Sand Dunes After Latest Drilling Completed

The edge of a dark sand dune field can be seen in this white-balanced Curiosity image from sol 1115 (Sep. 25, 2015). Image Credit: NASA/JPL-Caltech/MSSS

Mars is often referred to as a desert world, being bone-dry for the most part, with dust and sand blanketing most of the surface. Some regions are covered […]