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Space Exploration
Space exploration is a broad topic covering many facets of deep-space and planetary science. Learn about space probes, Mars Rovers, SETI and other out-of-this-world subjects.
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'One Small Step' Act Encourages Protection of Human Heritage in Space
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.
The End of the Arecibo Telescope Is a Huge Loss to Science
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.
Why Is an Asteroid Worth $10,000,000,000,000,000,000?
A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.
4G on the Moon? Does That Mean Cell Towers, Too?
NASA is sending astronauts to the moon as soon as 2024. And they'll have 4G cell service when they get there.
NASA's Perseverance Rover to Search for Signs of Ancient Martian Life
The Perseverance rover will explore Mars' Jezero Crater, gathering rock samples which may prove that life once existed on the red planet.
This Star Survived Being Swallowed by a Black Hole
A new kind of survival story: Scientists discovered a star that came near a black hole and lived to tell the tale – at least temporarily.
Space Lettuce Is Out of This World Good
Lettuce has key nutrients that give both astronauts and Earth-dwellers alike a physical and psychological boost. And the lettuce grown in space is no less nutritious than the Earth-bound variety.
Apollo 11 Put the First Men on the Moon. What About Missions 12-17?
You know Apollo 11. But what did the other Apollo missions accomplish after Neil Armstrong made his giant leap for mankind?
Here's the Buzz on Alcohol in Space
While alcohol consumption is not completely alien to the space program, not much is known about its effects on the body outside our atmosphere.
LISA: Detecting Exoplanets Using Gravitational Waves
The planned Laser Interferometer Space Antenna, or LISA, will be able to detect the gravitational waves generated by massive collisions in the deep cosmos.
Quiz: Apollo 11, the First Moon Landing
It's been more than 50 years since humans first landed on the moon. Pull up a lunar module and let's see how much you know about Neil Armstrong, Buzz Aldrin, Michael Collins and the adventure that immortalized them.
Two for Teegarden: Pint-sized Star System Discovered Right Next Door
And one of the exoplanets in the Teegarden star system could have a temperature range between 32 and 122 degrees Fahrenheit.
NASA Is Sending an Atomic Clock Into Deep Space
Will this groundbreaking clock revolutionize space travel? NASA is banking on it.
Eugene Shoemaker: The Only Human Buried on the Moon
Eugene Shoemaker's contributions to lunar science were legendary. In a fitting tribute, NASA sent his ashes to the moon.
The First Image of a Black Hole Is Here
It may be supermassive, but snagging this one-of-a-kind pic was no easy feat.
NASA Preps to Send People Back to the Moon
NASA is hoping to begin sending scientific probes to the moon in 2019 on private spacecraft, in preparation for a manned lunar mission in 2028.
The World Cries as 'Oppy' Dies
NASA's Mars rover Opportunity's last words were: "My battery is low and it's getting dark."
Earth's Oldest Rock May Have Been Discovered (On the Moon!)
The Apollo 14 mission landed on the moon in January 1971, but what the astronauts brought back could be making history now.
Where Did THAT Come From? Hubble Discovers Galactic Neighbor Bedin 1
On a galactic scale, that's kind of like finding a tree in your backyard that you'd never seen before.
Mark Your Calendars for These Space Events in 2019
From rocket launches and eclipses to meteor showers and lunar landings, these are the space events you won't want to miss in 2019.
Barnard's Star B May Host Primitive Life, Kind of Like Europa
Things just got more interesting on this enigmatic exoplanet.
What Are the 'Blueberries' on Mars?
Scientists are still trying to come up with a conclusive explanation for the Martian blueberries.
Voyager 2 Goes Interstellar, Just Like Voyager 1
That means it takes nearly 17 hours for a radio signal, traveling at the speed of light from Earth, to reach Voyager 2.
Gravitational Waves Are Lifting the Veil of Cosmic Darkness
We've identified 11 different times gravitational waves have passed through Earth. Yep, we're getting good at detecting these ripples in spacetime that Einstein predicted.
Hungry 'Hot DOG' Eats Nearby Galaxies, Fattens Its Black Hole
And this hot DOG's ferocious appetite shows no signs of slowing down.
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