Katie Harris

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The sun has a hole in it 50 times the size of Earth

Another day, another great coronal hole. Not to be confused with Beavis’ alter ego, a coronal hole is an area on the sun’s corona that is lower in …

Earth - Our Sun is big, but some stars make it look like a dust mote

Twinkling stars may look like little pinpricks of light, but in reality they are huge.<p>The nearest star is, of course, the Sun. It has a mass of about 2 million trillion trillion kilograms (a 2 followed by 30 zeroes). If Earth weighed the same as a paper clip, the Sun would weigh as much as a …

Earth Science Week Reminds Us Why Studying Our Home Is Critical

The planet is undergoing changes that require diligent science understanding, sound policy decisions, and engaged public stewardship. Interestingly, there is a dramatic difference between our “home” planet and our “homes.” When we get tired of our home or it no longer meets our needs, we seek to …

Scientists may have found the earliest evidence of life on Earth

When did life on Earth begin? Scientists have dug down through the geologic record, and the deeper they look, the more it seems that biology appeared …

NASA Just Released 8,400+ Incredible Apollo Moon Mission Photos

Not long ago we showed you the amazing 7-mile scale model of our solar system, which gives you an understanding of what role Earth plays in the …

Planet Neptune: Facts About Its Orbit, Moons & Rings

Neptune is the eighth planet from the sun. It was the first planet to get its existence predicted by mathematical calculations before it was actually …

10 things in the universe so huge they'll blow your mind

24 PHOTOS<p>Greatest natural wonders of the world to remind you how wonderful Planet Earth truly is<p>See Gallery<p>10 things in the universe so huge they'll blow your mind<p>Up Next<p>See Gallery<p>Discover More Like This<p>HIDE CAPTION<p>SHOW CAPTION<p>of<p>SEE ALL<p>BACK TO SLIDE<p>8. Wasp 17b -- The biggest planet discovered by …

AM - New images of Pluto taken by New Horizons probe reveal water and blue sky 09/10/2015

BRENDAN TREMBATH: Blue skies and plenty of water.<p>They are some of the latest discoveries revealed by NASA's New Horizons research team which has just …

Here is NASA's three-step plan for getting humans to Mars

You might not have noticed, but NASA is pretty excited about Mars. Things have been ramping up lately, what with the convenient pop culture tie-in of the film "The Martian," and NASA has been flooding the Interwebs with optimistic #JourneytoMars speculation.<p>Now the agency has released a plan …

Space Science

As World Turns it Drags Time and Space

An international team of NASA and university researchers has dramatically improved the accuracy of the first direct evidence that the Earth drags …

Behold the Mysterious Beauty of a Black Hole Collision

Toss a pebble in a pond and watch the tiny ripples radiate outwards. The waves you’ve created bear striking resemblance to another phenomenon, one …

Black Holes

Russia to answer once and for all whether moon landing was faked

It looks real enough… But are those moon rocks actually cardboard on a film set somewhere in the Nevada desert?<p>Ever since Buzz Aldrin and friends …

Moon Landing

Best space events of 2015 and 2016 - in 90 seconds

From the supermoon lunar eclipse to the Perseids meteor shower, we look at the most spectacular space events of 2015 and the upcoming ones for 2016<p>The world has been treated to many spectacular space events this year and 2016 looks to be no different.<p>On Monday there was a rare supermoon lunar …

Can you spot EARTH in this stunning image? If you think you can, prepare to be ASTONISHED

GETTYOur sun, the tiny white speck bottom left, shown next to red hyper giant VY Canis Majoris<p>This staggering image shows how our sun - which is so …

Universe

Mars Used To Have Massive Lakes And Streams, NASA Says

"We see that Mars at some point in its past was much more Earth-like."<p>It's very likely the Gale Crater on Mars, where NASA's Curiosity rover famously landed in 2012, was once home to expansive lakes, the space agency has confirmed.<p>NASA scientists first proposed that the crater once contained a …

Scientists have discovered a mysterious feature on this distant moon that's 4 times larger than the Grand Canyon

Pluto is not the only enigmatic object racing through space at the edge of our solar system. It turns out Pluto's moon Charon is equally mysterious and beautiful:<p>On Thursday, NASA released the sharpest, most-detailed photos yet of Pluto's largest moon, which were taken last July by the New Horizons …

Here's Where NASA Might Go For Its Next Space Mission

Venus is on its radar.<p>Is Venus ready for its close-up?<p>NASA has announced five projects under consideration for its next space mission, and the second planet from the sun plays a role in two of them.<p>One of the proposals involves dropping a spacecraft, dubbed DAVINCI (Deep Atmosphere Venus …

Shock Mars Pictures: Has a dinosaur been found on the Red Planet?

GETTYImages showing a "dinosaur head, alien, and space craft" have been found<p>So-called alien researchers scour through images beamed back by Nasa's …

'Moonspike' Project Plans To Crash A Spacecraft Into The Lunar Surface

Getting to the Moon is no mean feat – but one company wants to prove it can be done on a budget. Called Moonspike, the organization has today …

NASA and ESA Will Move A Small Moon By Slamming A Spacecraft Into It

Preparing for 'Deep Impact'<p>We've smashed into the moon, and bounced onto a comet, but a whole 17 years after <i>Deep Impact</i> and <i>Armageddon</i> debuted in 1998, we still haven't managed to change the course of an asteroid.<p>Sure, we landed the NEAR-Shoemaker orbiter on an asteroid in 2001, but we didn't even …

Earth's inner core was formed 1-1.5 billion years ago

There have been many estimates for when the earth's inner core was formed, but scientists have used new data which indicates that the Earth's inner …

Near miss: Giant asteroid TWO MILES wide travelling at 40,000mph zooms past Earth

GETTYEarth survived a 'near miss' when the asteroid shot past<p>The massive lump of rock - almost two miles wide and about a quarter of the size of …

Asteroids

Why do other planets get official protection against pollution, but not Earth?

<i>This story was originally published by</i> Medium <i>and is reproduced here as part of the Climate Desk collaboration</i><p>Once, many years ago, I was sitting on …

NASA solves a Martian mystery: Signs of running water are spotted

Scientists have solved a Martian mystery they have pondered since the space age began.<p>Water — real salty water — is coursing down the slopes of Mars, and for the first time scientists say they have proven what they have long suspected — that the essential ingredient for life exists on an alien …

Found! First Earth-Size Planet That Could Support Life

For the first time, scientists have discovered an Earth-size alien planet in the habitable zone of its host star, an "Earth cousin" that just might …

Their Finest Moments: The 6 Greatest Triumphs In NASA History

<i>NASA has made many strides for science over their long history, but a few accomplishments stand out in particular. Here are the agency’s greatest</i> …

Space Exploration