Space
Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.
The Zoo Hypothesis: Are Aliens Watching Us Like Animals in a Zoo?
Are Pentagon-confirmed UFOs a National Security Threat?
Does the Real Element 115 Have a Connection With UFOs?
Neptune Is at Opposition, But What Does That Mean?
What Are the 8 Phases of the Moon, in Order?
Why August's Moon Is Known as the Sturgeon Moon
Scientists Make History by Growing Plants in Soil From Moon
Without Regulation, the Night Sky Will Be Twinkling With Satellites, Not Stars
Space Architects Will Help Us Live and Work Among the Stars
SpaceX's Massive Starship Could Soon Transform Spaceflight
Is Coastal Georgia the Next Gateway to Space?
Is Space Tourism Worth It?
Mars Is Littered With Over 7 Tons of Trash From Robotic Space Exploration
Stunning Webb Images Show Clearest Look at Cosmos Ever
What Does Space Smell Like?
20 Years on the ISS Proves We Can All Get Along
How the International Space Station Works
NASA's Dragonfly Rotorcraft to Explore Saturn's Giant Moon Titan
Learn More / Page 3
Showering every day is likely something you take for granted. But for astronauts on the International Space Station, it's not an easy task.
The law is the first of its kind by any nation, but how much weight it has is yet to be seen. It is perhaps just one small step to preserve human heritage in space.
Everyone's heard of the blue moon and the harvest moon, but every other full moon of the year has a name, too. What are their names, and when do these moons occur?
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Stars are giant nuclear fusion reactors, and we wouldn't exist without them. Find out how much you know about these twinkling lights with our quiz.
Whether it's a solar eclipse, a meteor shower or the launch of the long-awaited James Webb Space Telescope, 2021 has a lot to offer.
All of the planets in the solar system are named for Greek gods, except Earth. So where did the name come from?
By Mark Mancini
The Quadrantids are a short but powerful meteor shower that shows up in early January. How can you glimpse it?
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A magnetar is a neutron star with a super-strong magnetic field. Astronomers consider them among the scariest objects in the universe, but why?
There are four others with this unusual honor. While not every other went from space to the Senate like Mark Kelly, their stories are equally as interesting.
Until recently, Arecibo had the biggest radio telescope in the world, and its ability to detect distant signals made it a very powerful tool for studying the universe. It even starred in two movies.
You might call it a Christmas miracle. Jupiter and Saturn will align so closely they may look like a double planet. The last time we saw this was in 1226.
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Winter is the perfect time to look for Orion's Belt in the Northern Hemisphere. If you're new to stargazing, we'll show you how to find it.
NASA and other agencies have been studying artificial gravity in hopes they will someday use it to help astronauts combat the effects of weightlessness in space. How close are we to that reality?
The annual Leonid meteor shower is back, and peaks in the early-morning hours of November 17. It's made up of tiny bits of debris from the comet Tempel-Tuttle. Here's how to see it.
He stood just 5 feet, 2 inches. But Gagarin cast an enormously long shadow in space exploration, both for his achievements and his mysterious death.
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Humans have now occupied the International Space Station for 20 continuous years. What does this international cooperation say about the future of space exploration?
A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.
NASA is sending astronauts to the moon as soon as 2024. And they'll have 4G cell service when they get there.
Even if you've never looked through a telescope, you've probably seen Vega, one of the brightest stars in our galaxy. In fact, thousands of years ago, Vega was our North Pole star, and will be again in the future.
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Every autumn, Earth passes through a stream of debris left by Halley's comet, resulting in nighttime meteor showers in mid-October. The best time this year is Oct. 20-21.
When you think about space travel, you probably don't take the time to wonder how astronauts go to the bathroom. However, the annals of aeronautic history abound with space bathroom tales. Here are 10 of our favorites.
Star-gazers gasped when they saw how much Betelgeuse dimmed in 2019 and the reason wasn't clear. Even though it's back up to full strength, how long will it be before it explodes? We haven't seen a supernova in over 400 years.
For decades Bob Lazar talked about a mysterious element 115 that supposedly could power alien spacecraft. People thought he was a nut but scientists discovered element 115 in 2003. Was there any connection?
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Other companies, like Amazon and Telesat, are planning to emulate StarLink's model, meaning there could soon be as many as 50,000 satellites, mostly for the purpose of internet service, floating around in space.
It's a celestial gift in the middle of August. Just look up for a spectacular sight.