The astronaut shares the moments that changed his life, from his boyhood adventures to the rattling spacewalk during which he found himself going blind.
Yes, China recently landed there, but you’re kind of asking the wrong question.
On the first day of the year, NASA’s New Horizon Spacecraft captured an icy world 4 billion miles away. Here’s what the photos tell us about the fringes of our solar system.
On New Year’s Eve, NASA’s probe will reach Ultima Thule, an icy body at the edge of our solar system. Here’s its timeline.
The intrepid spacecraft has traveled 13 years and 4 billion miles to glimpse Ultima Thule, a cold, dark world at the fringes of our solar system.
Astronauts on NASA’s Apollo 8 mission snapped the first photos of Earth from space, forever changing how we see our place in the universe.
The narrative around tech addiction has been driven more by fear than facts. But that’s finally starting to change.
Is your tree robust to cold? Do its needles cling to their branches? Christmas tree scientists ask these questions so we don’t have to.
For better or worse
The space rock could hold clues to the origins of our solar system, and maybe even life on Earth.
History’s best time, set by Usain Bolt, is 9.58 seconds. Depending on how you parse the data, he’s either rather close—or worlds away—from the theoretical limit.
NASA’s Mars lander, called InSight, landed on the red planet and sent its first image of the Mars surface.
These livestreams will let you follow along as the InSight spacecraft lowers itself to the surface of Mars.
Here are the best livestreams and watch parties to keep tabs on the spacecraft as it completes its Mars landing Monday.
Smoke from the Camp, Hill, and Woolsey fires has forced Californians to don air masks. But measuring air quality is more complex than you might think.
An MIT professor argues that misinformation boils down to one simple thing: mental laziness, exacerbated by social media.
The study enrolled a whopping 400,000 people, but it still won’t answer researchers’ biggest question: whether mass screening does more good than harm.
Kurt Steiner holds the record for the most consecutive skips of a stone—but physics suggests the upper limit is actually much higher.
To make realistic fake blood for Halloween, it helps to understand why actual blood looks and flows the way it does.
People generate about 70 pounds of textile trash a year, which then sits in landfills for centuries. A new fiber would decompose much, much faster.