The Mercury 13 aced the same tests as male astronauts, but decades would pass before American women flew in space. ...read more

The mission data gathered remain the most valuable information we have about the history of the moon — and the solar system. ...read more

Neil Armstrong saw himself as an engineer first. But he also knew he was part of a long chain of human migration. ...read more

A cosmic hit-and-run some 30 million light-years away has left one galaxy with an identity crisis. For billions of years, the now-irregular NGC 4485 lived a nice and normal life as a standard spiral galaxy located in the constellation Canes Venatici (the Hunting Dogs). Then, a few million years back, NGC 4485 experienced a near-miss when the equivalent of a galactic semi-truck (NGC 4490) careened past it, creating a gravitational wake that wreaked havoc for both parties. The ...read more

You probably already had a feeling you should skip the vending machine for an afternoon snack. But it turns out ultra-processed foods are even worse than we already thought. A new study, out in Cell Metabolism, shows these foods cause weight gain even when they don’t have more fat, sugar, or carbohydrates than their healthier counterparts. There’s something about the processing itself that causes people to eat more before they feel full. On the flip side, switching to a whole f ...read more

Last week, Amazon founder Jeff Bezos revealed his spaceship company's new lunar lander, dubbed Blue Moon, and he spelled out a bold and broad vision for humanity's future in space. Faced with the limits of resources here on Earth, most fundamentally energy, he pointed to life in space as a solution. "If we move out into the solar system, for all practical purposes, we have unlimited resources," Bezos said. "We could have a trillion people out in the solar system." ...read more

(Inside Science) -- Refrigeration has been around for about 100 years, but hasn’t changed much in that time. A time traveller from the early 1900s would still recognize the big box full of chilled food in your kitchen. But soon, researchers say, new materials could replace refrigeration as we know it, making it more adaptable, efficient and environmentally friendly. Standard fridges work using a process called vapor compression. A compressor increases the pressure on a gas, which raises i ...read more

Who can resist a smooshed nose, wrinkly wide grin, and buggy eyes? Flat-faced dog breeds like bulldogs and pugs have become the popular “it” pets of the moment. But the iconic looks that make Frenchies and the like so photogenic can also be harmful to their health and wellbeing. Veterinarians have long known that brachycephalic breeds – or dogs bred to have condensed snouts – are prone to breathing issues. One of the most worrisome conditions is what& ...read more

After New Horizons streaked past Pluto in 2015, its main task was over, but it still had work to do. On New Year’s Day of 2019, it made a flyby of another, even more distant object named 2014 MU69, more commonly called Ultima Thule. Since then, the spacecraft has been slowly but steadily sending streams of information back across the increasingly vast gulf of space between it and Earth. From that information, scientists now know that the snowman-shaped space rock formed from a gentle coll ...read more