Space
Read space related news with special emphasis on NASA, cosmos, satellites and universe
What Is a Light-Year, and How Far Is It?
Despite the word year, a light-year measures distance, not time. It is how astronomers cope with a universe so big that miles and kilometers stop making sense. Here is what it really means.
How Do the Tides Work, and Why Two a Day?
Twice a day the sea climbs up the beach and slides back down, on a schedule set by an object 384,000 kilometers away. Here is how the Moon, and a bit of the Sun, moves the whole ocean.
How Do Satellites Stay in Orbit Without Falling?
Thousands of satellites circle overhead right now, and gravity is pulling on every one of them. So why don’t they fall? The answer is stranger and simpler than it sounds.
What Is Dark Matter, and Why Can’t We See It?
Most of the matter in the universe is invisible. We cannot see it, touch it, or make it in a lab, yet without it galaxies would fly apart. Here is what dark matter is.
What Is a Black Hole, and What’s Inside One?
A black hole is a place where gravity wins so completely that even light cannot leave. Here is what they are, how they form, and the honest answer to what lies inside.
How Do Rockets Actually Reach Orbit?
Getting a rocket up to space is the easy part. The real trick, and the reason rockets are almost all fuel, is going sideways fast enough to fall around the planet forever.
Can You Hear Sound in Space?
In space, no one can hear you scream, and that tagline is basically correct. But NASA has released the ‘sound’ of a black hole, so what is actually going on?
How Long Does It Take to Get to Mars?
Getting to Mars is not a quick hop. It takes about seven to nine months, follows a long curve, and you can only leave every couple of years. Here is why.
What are five fun and creative activities to do indoors with my dog who has a lot of energy?
Indoor activities for high-energy dogs can be both fun and mentally stimulating. Here are five creative activities to enjoy with your energetic pup: Indoor Obstacle Course: Create an obstacle course using household items like chairs, boxes, and cushions. Teach your dog to jump over, crawl under, and weave through the obstacles. You can use treats […]