Latest articles by Samantha Mathewson
Your Dog Doesn't Want Just Your Food — He Wants Your Attention
Your dog may be trying to tell you something. From an inquisitive head tilt to "puppy dog eyes," the expressions of our canine companions may be their attempts to communicate, a new study finds.
Planet Nine Does Exist, NASA Evidence Suggests
Mounting evidence suggests it's hard to imagine our solar system without the unseen world dubbed Planet Nine.
People Magazine 'Most Beautiful' List Embodies Changing Beauty Standards
As the saying goes, beauty is in the eye of the beholder — but People magazine may play a big role, too.
Listen, Don't Look: Why Your Ears Can Tell More Than Your Eyes
When it comes to understanding how someone truly feels, it may be best to close your eyes and just listen, a new study shows.
These Microbes May Hitch a Ride with Humans to Mars: Why That Matters
Examining how bacteria grow in confined conditions on board spacecraft will help keep astronauts healthy during long-term space missions, such as a trip to Mars.
Visualize the Total Solar Eclipse with NASA's 3D App
Find out what the Aug. 21 total solar eclipse will look like from anywhere on the planet with a new interactive, 3D simulation from NASA.
This Is What the Sun's Outer Atmosphere Will Look Like During the Solar Eclipse
With the total solar eclipse on Aug. 21 only a few weeks away, astronomers have revealed what skywatchers can expect to see as the sun disappears behind the moon.
21 National Parks Where You Can Enjoy the 2017 Solar Eclipse
The Great American Total Solar Eclipse will race across the U.S. on Aug. 21, 2017, casting a shadow over 21 of the country's National Parks coast to coast.
The Moon's Interior Could Contain Lots of Water, Study Shows
Ancient volcanic deposits on the moon reveal new evidence about the lunar interior, suggesting it contains substantial amounts of water.
US National Parks Prepare for the 2017 Total Solar Eclipse
On Aug. 21, 2017, a total solar eclipse will cross the continental U.S. and briefly cast a shadow over 21 of the nation's national parks.
Peculiar X-Ray Burst Has Astronomers Stumped
Astronomers spotted a peculiar burst of bright X-rays in a distant area of the universe, and they're not quite sure where it came from.
Put a Ring on It! Saturn Impresses in Stunning Valentine's Day Photos
NASA's Cassini spacecraft sends its love this Valentine's Day with photos of Saturn’s beautiful rings, moons and polar vortex.
Hubble Spies Exocomets Diving into Young Star
NASA's Hubble Space Telescope has detected several comets diving toward a young star about 95 light-years from Earth.
'Levitating' Moon Dust Explained
Dust particles on the lunar surface appear to "levitate," as there is no wind or flowing water on the moon to otherwise transport the particles, new research shows.
'New Year's Eve Comet' and More: Three Flybys Will Kick Off 2017 New Year
The "New Years' Eve Comet" that's been streaking across the sky this December isn't the only otherworldly visitor ringing in the New Year in Earth's neighborhood.
What Tangled Web: Galaxy's Messy 'Threads' Star in New Pic
A striking new image from the Hubble Space Telescope captures an extremely detailed view of the galaxy NGC 4696 and the tangled, thread-like filaments stretching from its bright galactic core.
