SUNSET: 
What is the Black-Drop Effect?
The famous (or infamous) black-drop effect earned its place in history long before astronomers knew what caused it.
Exotic Objects Test Einstein’s Theory
Pulsars, supermassive black holes, and white dwarfs are all tools in astronomers' arsenals as they continue to push Einstein's theory of general relativity to its limits.
Transits of Venus Explained
The transits of Venus are separated alternately by 8, 105, or 121½ years, making June 5-6's transit the last we'll see in our lifetimes. Find out the method behind the madness of Venus's transit cycle.
Afghans Reach for the Stars
Reach for the Stars aims to bring astronomy back into Afghanistan’s elementary school curriculum in a way that resonates with the region’s culture and history.
Your Viewing Guide to the Transit of Venus
The upcoming transit of Venus is one of those rare and momentous spectacles in observational astronomy that you absolutely don't want to miss. Read about what you can expect to see.
Square Kilometer Array: A Split Decision
Astronomers from South Africa and Australia had each made a case for hosting what will become the world's largest radio telescope. But the international partners decided to award portions of the project to both countries — an unexpected compromise.
The Disappearing Black Drop
When you observe the upcoming transit of Venus on June 5th or 6th, will you see the black drop?
Pro-Am Teamwork on the Rise
As demonstrated this week during a gathering of observers in Big Bear, California, amateur and professional astronomers are joining forces as never before.
GALEX Gets New Lease on Life
NASA decided to shut down its Galaxy Evolution Explorer in Februrary. But now Caltech has stepped in with private funding to keep the mission going.
Where to See the Transit of Venus Online
Find out where you can view June 5th or 6th's transit of Venus online.
Where to See the Annular Solar Eclipse Online
If you're not in the path of this weekend's “ring of fire” eclipse, find out where you can view it online.
Superflares from Sun-like Stars
NASA's Kepler mission is finding solar-type stars that emit jaw-dropping explosions of high-energy particles and radiation. Now astronomers are looking into why some solar-type stars emit superflares — and why the Sun never will.
Europe's New Eye on the Sun
The just-completed Gregor telescope, situated on Tenerife in the Canary Islands, ranks as Europe's largest solar sentinel and the third largest in the world.
Capturing the Beauty of the Night Sky
From Comet Lovejoy in the southern skies to the aurora borealis over Iceland, the winners of the 2012 International Earth & Sky Photo Contest find beauty in darkness and show the threat of increasing light pollution.
Millennial Calendar Found in Mayan Ruins
Never mind what the doomsayers tell you: Remarkable paintings in a room amid Guatemalan ruins prove that the ancient Maya knew more about celestial cycles than we thought — and that they didn't predict the world's end in December 2012.
Dawn Confirms Vesta's Link to Meteorites
Spectral mapping by NASA's Dawn spacecraft has confirmed what planetary scientists have suspected for decades: hundreds of meteorites on Earth are rocks blasted from the surface of the second-largest asteroid.
IBEX's Slower Sun — and No Bow Shock
NASA's Interstellar Boundary Explorer has discovered that the Sun has no bow shock, overturning the basis for decades of scientific research.
Steven Wades Test - Blog Topic
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce eget dui felis. Morbi vitae turpis eget ante tempor porttitor. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Duis in est justo. Maecenas tincidunt justo feugiat enim volutpat sagittis. Mauris non velit at neque pharetra viverra…
Martian Dunes On the Move
Images from the Mars Reconnaissance Orbiter caught dunes migrating across the Red Planet's surface, contradicting the common wisdom that the planet's current climate can't get sand moving on a large scale.
Join the "Target Asteroids!" Project
If you're an amateur observer with decent equipment and an itch to do some serious observing, a team from the OSIRIS-REx mission wants to hear from you!
