Solar eclipse will reveal mysteries of the sun
Scientists observing Aug. 21 solar eclipse hope to learn more about what heats up the sun's outer atmosphere
Great American Eclipse
Coast to coast, eclipse business is booming
Towns from Oregon to South Carolina are prepping for record numbers of tourists -- and the spending they'll bring
The August solar eclipse on your smartphone
A variety of apps and web pages are available to help users prepare for and get the most out of the Aug. 21 solar eclipse
Excitement builds for "Great American Eclipse"
The coast-to-coast solar eclipse on Aug. 21 promises a flood of data and excitement as millions take in one of nature's great spectacles
Watch the total solar eclipse underwater at this scuba center
For a totally unique total solar eclipse experience, head to Hopkinsville, Kentucky
August solar eclipse may be most viewed ever
Scientists are gearing up for a total eclipse of the sun Aug. 21, the first visible from coast to coast in the United States in nearly a century
Small Illinois town is key spot for solar eclipse viewing
Makanda, Illinois, will be directly in the eclipse's path and is one of the places where it can be viewed the longest - over two minutes
Beware: A solar eclipse can blind you
Read this before looking at the sun on August 21 during the great American total solar eclipse
How cold can it get during a total solar eclipse?
When total solar eclipse crosses U.S. this August, just how much could the mercury drop?
Stunning partial solar eclipse seen from space
The moon passed the sun last week, and NASA has the visuals to prove it
How a solar eclipse helped prove Einstein right
It's the 98th anniversary of the experiment that helped confirm Einstein's groundbreaking theory of general relativity
How to make the most of 2017's total solar eclipse
This August, a total solar eclipse will cross the continental United States from coast to coast for the first time since 1918
There's a celestial trick to the latest postal stamp
The U.S. Postal Service is going all out for this summer's total solar eclipse, with a first-of-its kind stamp
Rare "ring of fire" solar eclipse
The Earth welcomes its first solar eclipse of 2017 on Feb. 26
Famous solar eclipses
Solar eclipses, documented since ancient times, have represented everything from a divine omen to the triumph of modern science
Closest comet in decades shares sky with lunar eclipse
A full moon in eclipse and a comet share rare double billing in the night sky this weekend
Harvest Moon is rising – with a subtle lunar eclipse
Some parts of the world will see the full moon brushed by Earth's shadow
Double eclipse! Earth and moon cross in front of sun
A NASA satellite captured an impressive shot of celestial event
Amazing view of total eclipse as seen from space
Camera aboard the DSCOVR satellite captured the moon's shadow moving across Earth
"Eclipse geeks" book flight for a front-row seat
Space enthusiasts get chance to watch total solar eclipse from the air: "You cheer, you scream, you cry."
Stunning total solar eclipse
Thousands of eclipse-chasers were treated to the rare astronomical phenomenon of a total solar eclipse
How solar eclipses inspired superstition
To mark the only total solar eclipse of 2016, a look at some of the legends and superstitions surrounding the phenomenon
Rare super blood moon eclipse
Great views of the last supermoon eclipse we'll see for the next 18 years
Supermoon plus eclipse equals rare sky show this weekend
Combination of total lunar eclipse, supermoon hasn't been seen since 1982 and won't happen again for more than a decade
Supermoon lunar eclipse will have stargazers seeing red
The event this month will be the first of its kind in decades; here's how it will look from the Earth - and from the moon
Science
Science
Scientists discover new dinosaur species
Mars rover sets new driving record on surface of another world
Extreme heat putting births in jeopardy, U.N. climate chief warns
Neuroscientists grow human brain tissue in mice
New species of wild cat discovered for first time in more than a century
Humpback whale seen grieving dead calf in rare footage
Remains of ancient warhorse given honorific burial discovered in Egypt
Anthropic CEO says "exponential" growth of AI is a "warning sign"
First-ever adult T. rex trackway found in North Dakota
Ig Nobel prizes go to scientists studying cockroach milk, nose-blowing, more
Vote on the fattest marmot now
NASA plans to launch new space telescope
Invasive Joro spiders are "slowly spreading." Here's what to do if you see one.
A summer of extremes: Weathering a hotter world
