technologyContenders for the Army's Blackhawk helicopter replacement are changing the shape of rotary flight.
technologyPresident Trump has a plan to build a missile wall in space, and to make U.S. allies pay for it.
scienceRecent studies show the general public and the scientific community are deeply divided on the perceived safety of GMOs. Ars Technica's John Timmer explains why this rift exists and why GMOs are much safer than most people realize.
scienceSea levels are rising due to global warming, and part of the reason for this is ice on land is melting and flowing into the seas. Tide gauges can measure the rising sea level, but different tide gauges show the sea level is rising at different rates in different places. Why is this?
technologyOakland is just one of numerous American cities that have become transformed—for better or worse—by electric scooters.
technologyThe US Air Force is over a decade away from its "6th Generation" fighter. Lockheed Martin and Boeing are pitching options to fill the gap.
technologyLanding on Mars is no easy feat. This overview video outlines the entry, descent and landing stage of NASA's InSight lander's journey to the Red Planet. On November 26, the spacecraft will go through these seven minutes before safely landing in the place where it will carry out its mission.
scienceArs Technica's senior science editor John Timmer explains why, despite centuries of evidence, some people will still argue that the Earth is flat.
scienceHow does a geologist know how old a rock formation is? The answer is a technique called radiometric dating.
technologyDuring the 2016 presidential election, security experts at Facebook discovered that Russian operatives had been actively attempting to undermine the democratic process. Using ads and fake accounts on the social media giant's platform, they spread disinformation and propaganda. As security chief of the company, Alex Stamos was at the center of the company's investigation. He and his team wound up uncovering thousands of fake accounts controlled by Russia, as well as political advertising scams.
scienceDamien Chazelle's newest film, "First Man," is about the life of Neil Armstrong and his legendary journey to the moon. Ars Techinca's Sam Machkovech takes a closer look at the picture and focuses on the things the film does, and doesn't, tell us.