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Mars’ longtime polar mystery may have finally been solved
From the surface, Mars may seem like a dry, desert-like world lacking water, but a closer look at the planet’s poles will some striking structures: massive polar ice caps.
At the north pole, the ruddy terrain peeks through the ice, like zebra stripes. In the south pole lurks a mystery, a massive deposit of frozen carbon dioxide and water ice. Scientists have spent decades trying to understand how it formed and how it’s linked to the amount of carbon dioxide (CO2) in the Martian atmosphere.
A pair of scientists in the 1960s came up with a plausible theory, and now, decades later, a new study published in Nature Astronomy may have confirmed their findings.
The massive deposit — measuring 3,280 feet (1 kilometer) thick — contains sheets of water ice and carbon dioxide arranged in alternating layers, like a cake. It’s topped off with a thin frosting of carbon dioxide ice, and scientists noticed something interesting: the massive ice deposit contains as much carbon dioxide as the entire Martian atmosphere.
Peter Buhler, a planetary scientist at NASA’s Jet Propulsion Laboratory led the new study. The team used computer simulations to map out the ice, and they were surprised at how closely their models matched with what Robert B. Leighton and Bruce Murray predicted decades ago.
“Usually, when you run a model, you don’t expect the results to match so closely to what you observe,” he said in a statement. “But the thickness of the layers, as determined by the model, matches beautifully with radar measurements from orbiting satellites.”
The ice cap puzzled researchers because according to science, it shouldn’t exist. That’s because water ice is more thermally stable and darker than carbon dioxide ice, which means that it should destabilize when layered between water ice.
However, the new model explains this behavior. Buhler and his team say there are three reasons why the frozen carbon dioxide exists. First, Mars wobbles as it orbits the sun, and when it does, the slight changing of the tilt alters the amount of sunlight that hits the ice. Second, each type of ice reflects the sun a bit differently. And lastly, because of the exposure to sunlight, the carbon dioxide sublimates–meaning it goes directly from a solid to a gas–which alters the atmospheric pressure.
As Mars wobbles, the amount of sunlight reaching the ice varies, causing the ice to form and then later sublimate. When the carbon dioxide ice was forming, water ice would’ve been trapped with it. But when that ice sublimated, the more stable water ice would have remained behind, forming the layers we now see at the south pole.
https://www.youtube.com/watch?v=8Gj8dr6AsYg
Mars’ climate, just like Earth’s, has changed over millions of years. To that end, not all of the carbon dioxide ice was lost; some were left behind to build up the varying layers we see—a process that has altered the red planet’s atmospheric pressure.
This is what Leighton and Murray hypothesized back decades ago, and this is what Buhler’s new model shows.
“Our determination of the history of Mars’s large pressure swings is fundamental to understanding the evolution of Mars’s climate, including the history of liquid water stability and habitability near Mars’s surface,” Buhler said in a statement.
By understanding what processes formed the south polar ice cap, scientists can better understand more of what happened in Mars’ history.
News
Tesla Model S completes first ever FSD Cannonball Run with zero interventions
The coast-to-coast drive marked the first time Tesla’s FSD system completed the iconic, 3,000-mile route end to end with no interventions.
A Tesla Model S has completed the first-ever full Cannonball Run using Full Self-Driving (FSD), traveling from Los Angeles to New York with zero interventions. The coast-to-coast drive marked the first time Tesla’s FSD system completed the iconic, 3,000-mile route end to end, fulfilling a long-discussed benchmark for autonomy.
A full FSD Cannonball Run
As per a report from The Drive, a 2024 Tesla Model S with AI4 and FSD v14.2.2.3 completed the 3,081-mile trip from Redondo Beach in Los Angeles to midtown Manhattan in New York City. The drive was completed by Alex Roy, a former automotive journalist and investor, along with a small team of autonomy experts.
Roy said FSD handled all driving tasks for the entirety of the route, including highway cruising, lane changes, navigation, and adverse weather conditions. The trip took a total of 58 hours and 22 minutes at an average speed of 64 mph, and about 10 hours were spent charging the vehicle. In later comments, Roy noted that he and his team cleaned out the Model S’ cameras during their stops to keep FSD’s performance optimal.
History made
The historic trip was quite impressive, considering that the journey was in the middle of winter. This meant that FSD didn’t just deal with other cars on the road. The vehicle also had to handle extreme cold, snow, ice, slush, and rain.
As per Roy in a post on X, FSD performed so well during the trip that the journey would have been completed faster if the Model S did not have people onboard. “Elon Musk was right. Once an autonomous vehicle is mature, most human input is error. A comedy of human errors added hours and hundreds of miles, but FSD stunned us with its consistent and comfortable behavior,” Roy wrote in a post on X.
Roy’s comments are quite notable as he has previously attempted Cannonball Runs using FSD on December 2024 and February 2025. Neither were zero intervention drives.
Elon Musk
Tesla removes Autopilot as standard, receives criticism online
The move leaves only Traffic Aware Cruise Control as standard equipment on new Tesla orders.
Tesla removed its basic Autopilot package as a standard feature in the United States. The move leaves only Traffic Aware Cruise Control as standard equipment on new Tesla orders, and shifts the company’s strategy towards paid Full Self-Driving subscriptions.
Tesla removes Autopilot
As per observations from the electric vehicle community on social media, Tesla no longer lists Autopilot as standard in its vehicles in the U.S. This suggests that features such as lane-centering and Autosteer have been removed as standard equipment. Previously, most Tesla vehicles came with Autopilot by default, which offers Traffic-Aware Cruise Control and Autosteer.
The change resulted in backlash from some Tesla owners and EV observers, particularly as competing automakers, including mainstream players like Toyota, offer features like lane-centering as standard on many models, including budget vehicles.
That being said, the removal of Autopilot suggests that Tesla is concentrating its autonomy roadmap around FSD subscriptions rather than bundled driver-assistance features. It would be interesting to see how Tesla manages its vehicles’ standard safety features, as it seems out of character for Tesla to make its cars less safe over time.
Musk announces FSD price increases
Following the Autopilot changes, Elon Musk stated on X that Tesla is planning to raise subscription prices for FSD as its capabilities improve. In a post on X, Musk stated that the current $99-per-month price for supervised FSD would increase over time, especially as the system itself becomes more robust.
“I should also mention that the $99/month for supervised FSD will rise as FSD’s capabilities improve. The massive value jump is when you can be on your phone or sleeping for the entire ride (Unsupervised FSD),” Musk wrote.
At the time of his recent post, Tesla still offers FSD as a one-time purchase for $8,000, but Elon Musk has confirmed that this option will be discontinued on February 14, leaving subscriptions as the only way to access the system.
Tesla has initiated Cybertruck deliveries in a new region for the first time, as the all-electric pickup has officially made its way to the United Arab Emirates, marking the newest territory to receive the polarizing truck.
Tesla launched orders for the Cybertruck in the Middle East back in September 2025, just months after the company confirmed that it planned to launch the pickup in the region, which happened in April.
I took a Tesla Cybertruck weekend Demo Drive – Here’s what I learned
By early October, Tesla launched the Cybertruck configurator in the United Arab Emirates, Qatar, and Saudi Arabia, with pricing starting at around AED 404,900, or about $110,000 for the Dual Motor configuration.
This decision positioned the Gulf states as key early international markets, and Tesla was hoping to get the Cybertruck outside of North America for the first time, as it has still been tough to launch in other popular EV markets, like Europe and Asia.
By late 2025, Tesla had pushed delivery timelines slightly and aimed for an early 2026 delivery launch in the Middle East. The first official customer deliveries started this month, and a notable handover event occurred in Dubai’s Al Marmoom desert area, featuring a light and fire show.
Around 63 Cybertrucks made their way to customers during the event:
First @cybertruck deliveries in the UAE 🇦🇪 pic.twitter.com/sN2rAxppUA
— Tesla Europe & Middle East (@teslaeurope) January 22, 2026
As of this month, the Cybertruck still remains available for configuration on Tesla’s websites for the UAE, Saudi Arabia, Qatar, and other Middle Eastern countries like Jordan and Israel. Deliveries are rolling out progressively, with the UAE leading as the first to see hands-on customer events.
In other markets, most notably Europe, there are still plenty of regulatory hurdles that Tesla is hoping to work through, but they may never be resolved. The issues come from the unique design features that conflict with the European Union’s (EU) stringent safety standards.
These standards include pedestrian protection regulations, which require vehicles to minimize injury risks in collisions. However, the Cybertruck features sharp edges and an ultra-hard stainless steel exoskeleton, and its rigid structure is seen as non-compliant with the EU’s list of preferred designs.
The vehicle’s gross weight is also above the 3.5-tonne threshold for standard vehicles, which has prompted Tesla to consider a more compact design. However, the company’s focus on autonomy and Robotaxi has likely pushed that out of the realm of possibility.
For now, Tesla will work with the governments that want it to succeed in their region, and the Middle East has been a great partner to the company with the launch of the Cybertruck.
Tesla Model S completes first ever FSD Cannonball Run with zero interventions
Tesla removes Autopilot as standard, receives criticism online
