'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

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 been […]

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

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 seems […]

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. Image Credit: NASA/JPL-Caltech

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 and […]

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

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 airborne […]

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 false-color Curiosity image from sol 1115. Image Credit: NASA/JPL-Caltech/MSSS

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 in vast […]

Curiosity Rover Continues Journey Up Mount Sharp After Science Observations at 'Marias Pass'

New low-angle "selfie" of the Curiosity rover taken while it was in Marias Pass. It consists of multiple images stitched together. Image Credit: NASA/JPL-Caltech/MSSS

New low-angle “selfie” of the Curiosity rover taken while it was in Marias Pass, consisting of multiple images stitched together. Image Credit: NASA/JPL-Caltech/MSSS

After extensive investigations of rock layers in Marias Pass, a shallow valley near the base of Mount Sharp, the Curiosity rover is now heading southwest again, to continue gradually climbing the […]

Potential Landing Sites for Mars 2020 Rover Narrowed Down to Eight Locations

Map of the eight proposed landing sites for the Mars 2020 Rover. Image Credit: NASA/MOLA Science Team

NASA’s next Mars rover is due to launch in July or August 2020, and the number of potential landing sites has now been narrowed down by scientists to eight locations. Out of an initial list of 21 […]

Curiosity Marks 3rd Anniversary on Mars With Amazing Science Discoveries

Self-portrait of the Curiosity over in Gale crater on Mars. Part of Mount Sharp is in the background. Image Credit: NASA/JPL-Caltech/MSSS

Self-portrait of the Curiosity over in Gale crater on Mars. Part of Mount Sharp is in the background. Image Credit: NASA/JPL-Caltech/MSSS

NASA’s Curiosity rover has just reached its third anniversary milestone on Mars, after landing in Gale crater on Aug. 5, 2012, and since then has made some incredible science discoveries, with more to come in […]

NASA Awards Grants to Ozark IC to Create Circuits for Proposed Venus Rover

Artist's conception of the Venus Landsailing Rover. Image Credit: NASA GRC

Artist’s conception of the Venus Landsailing Rover. It would use advanced circuits which could survive longer than previous landers in the extreme surface conditions. A “sail” on top would help to move the rover on the surface using wind, a technique known as landsailing. Image Credit: NASA GRC

In what may be a significant […]

Flying (Mostly) Friendly Skies: Northrop Grumman Developing Airplane to Cruise Atmosphere of Venus

Artist’s conception of the Venus Atmospheric Maneuverable Platform (VAMP) aircraft in the atmosphere of Venus. Image Credit: Northrop Grumman artist’s concept

With so much attention now on the rovers and spacecraft at Mars, Saturn, Ceres, comet 67P/Churyumov-Gerasimenko, and, soon, Pluto, it may seem like Earth’s closest planetary neighbor Venus has been forgotten again. But no, […]