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![NASA program scientist Lindsay Hays explains what defines potential signs of ancient life on other worlds and why they require future study. NASA’s Perseverance Mars rover is searching for these signs, collecting samples for future return to Earth, and helping pave the way for human exploration.](https://science.nasa.gov/wp-content/uploads/2024/07/20240725-lindsayhays-whatisabiosignature.jpg?w=4096&format=jpeg)
What is a Potential Biosignature?
NASA program scientist Lindsay Hays explains what defines potential signs of ancient life on other worlds and why they require…
![A man wearing a medical face mask stands at a podium giving a speech.](https://science.nasa.gov/wp-content/uploads/2024/08/ken-farley-talk-mars-10-conference-thumbnail.jpg?w=4096&format=jpeg)
Intriguing Mars Rock: Perseverance Project Scientist’s Conference Talk on Mars Sample Return
A key objective of Perseverance rover’s mission on Mars is astrobiology, including caching samples that may contain signs of ancient…
![A retro handpainted illustration of a Viking lander extending its robotic arm on the surface of Mars.](https://science.nasa.gov/wp-content/uploads/2024/07/viking-retro-video.jpg?w=4096&format=jpeg)
Viking Mission to Mars—Animation and Footage
Retro-style video features animation of one of NASA's Viking spacecraft en route to Mars and landing there in the mid-1970s.…
![](https://science.nasa.gov/wp-content/uploads/2024/07/perseverance-rock-green-screen-w-morgan-cable-7-25-24-final.jpg?w=4096&format=jpeg)
Signs of Ancient Life on Mars? Here’s What We See in This Intriguing Rock #Shorts
NASA’s Perseverance rover has made very compelling observations in a Martian rock that, with further study, could prove that life…
![NASA’s Curiosity Mars rover used its Mast Camera, or Mastcam, to take this 360-degree panorama from within Gediz Vallis channel on June 19, 2024, the 4,220th Martian day, or sol, of the mission. The panorama is made up of 336 individual images that were stitched together after being sent back to Earth. The color has been adjusted to match lighting conditions as the human eye would see them on Earth.](https://science.nasa.gov/wp-content/uploads/2024/07/pia26363-curiosity-takes-a-360-degree-view-of-gediz-vallis-channel-2500px.jpg?w=4096&format=jpeg)
Curiosity Takes a 360-Degree View of Gediz Vallis Channel
NASA’s Curiosity Mars rover used its Mast Camera, or Mastcam, to take this 360-degree panorama from within Gediz Vallis channel…
![](https://science.nasa.gov/wp-content/uploads/2024/07/maxresdefault-20240716.jpg?w=4096&format=jpeg)
Perseverance Explores Ancient River Channel (Mars Report)
As NASA’s Perseverance rover prepares to ascend to the rim of Jezero Crater, its team is investigating a rock unlike…
![NASA's Curiosity Mars rover captured evidence of a solar storm's charged particles arriving at the Martian surface in this three-frame video taken by one of the rover's navigation cameras on May 20, 2024, the 4,190th Martian day, or sol, of the mission.](https://science.nasa.gov/wp-content/uploads/2024/07/pia26302.gif?w=4096&format=png)
Curiosity Sees Streaks and Specks During 2024 Solar Storm
NASA's Curiosity Mars rover captured evidence of a solar storm's charged particles arriving at the Martian surface in this three-frame…
![The specks in the sequence of images in this video were caused by charged particles from a solar storm hitting one of the navigation cameras aboard NASA's Curiosity Mars rover. The mission uses the rover's navigation cameras to try capturing images of dust devils (dust-bearing whirlwinds) and wind gusts, like the gust seen here.](https://science.nasa.gov/wp-content/uploads/2024/07/pia26303.gif?w=4096&format=png)
Curiosity Sees Specks Caused By 2024 Solar Storm While Recording a Wind Gust on Mars
The specks in the sequence of images in this video were caused by charged particles from a solar storm hitting…
![](https://science.nasa.gov/wp-content/uploads/2024/04/mars-report-nasa-scientists-gear-up-for-solar-storms-at-mars-thumbnail.jpg?w=4096&format=jpeg)
How Solar Storms This Year Will Help Mars Astronauts in the Future (Mars Report – April 2024)
The Sun’s activity will be at its peak in 2024, providing a rare opportunity to study how solar storms and…
![](https://science.nasa.gov/wp-content/uploads/2024/05/ingenuity-flight-map-thumbnail-3-w-logo.jpg?w=4096&format=jpeg)
See Ingenuity’s Flight Map: 72 Helicopter Flights on Mars
NASA’s Ingenuity Mars helicopter became the first vehicle to achieve powered, controlled flight on another planet when it took to…
![](https://science.nasa.gov/wp-content/uploads/2024/05/ingenuity-postcards-video-thumbnail.jpg?w=4096&format=jpeg)
Postcards From Earth to NASA’s Ingenuity Mars Helicopter
Throughout its mission on the Red Planet, NASA’s Ingenuity Mars Helicopter received thousands of electronic postcards filled with well wishes…
![](https://science.nasa.gov/wp-content/uploads/2024/04/27972-marsrocksamples-sample24.jpg?w=4096&format=jpeg)
Meet the Mars Samples: Comet Geyser (Sample 24)
Meet the 24th Martian sample collected by NASA’s Mars Perseverance rover – “Comet Geyser,” a sample taken from a region…
![](https://science.nasa.gov/wp-content/uploads/2024/04/curiosity-reaches-gediz-vallis-channel-360.jpeg?w=4096&format=jpeg)
NASA’s Curiosity Rover Reaches Gediz Vallis Channel (360 View)
360-degree panorama provided by NASA’s Curiosity Mars rover. This view was captured at Gediz Vallis channel, a feature that formed…
![](https://science.nasa.gov/wp-content/uploads/2024/04/pia26240.jpg?w=4096&format=jpeg)
Animation of Mars Helicopter Flight Test
This animation shows a simulation of the response of NASA’s Ingenuity Mars Helicopter to the system identification, or “Sys-ID,” process.…
![](https://science.nasa.gov/wp-content/uploads/2024/03/27912_Mars_Report_Ingenuity_Thumb.jpg?w=4096&format=jpeg)
Mars Report: The Most Extreme Flights of NASA’s Ingenuity Mars Helicopter
NASA’s Ingenuity Mars Helicopter pushed aerodynamic limits during the final months of its mission, setting new records for speed, distance,…