Our Galactic Neighbors Shine In New Ultraviolet Pictures
Earth's galactic next-door neighbors shine brighter than ever in new pictures taken by an orbiting telescope, focusing on ultraviolet light…
NASA Experiment Seeks Signatures of Formation of First Stars and Galaxies
When did the first stars and galaxies form in the universe and how brightly did they burn? Scientists are looking…
Crashed Asteroid Has a Tail that Keeps Getting Longer
A strange comet-like object discovered in 2010 ended up being an asteroid that had been the victim of a head-on…
How Many Stars are There in the Universe?
When we look at the night sky, filled with stars, it’s hard to resist counting. Just with the unaided eye,…
Our Place in the Galactic Neighborhood Just Got an Upgrade
Some cultures used to say the Earth was the center of the Universe. But in a series of "great demotions,"…
Stunning View of Earth and Orbital Sunset from the Space Station
This is just a gorgeous shot of our home planet from the International Space Station, shared by astronaut Karen Nyberg…
Weekend Aurora Surprise
An unexpected arrival of a surprisingly strong (6 KP) geomagnetic storm from the Sun provided an amazing weekend for astrophotographers.…
LRO Makes a Map of the Moon’s Water
The Moon might seem like a poor place to hunt for water, but in fact there's a decent amount of…
Incredible Astrophoto: Rare Red Sprite Lightning Shows Up During Aurora
"Holy crap, this is the rarest scene I've ever captured and likely ever will," said photographer Mike Hollingshead. "I was…
Smile! This Could Be The Lightest Alien Planet Ever Captured On Camera
We've found hundreds of planets outside the solar system, but taking a picture of one is still something quite special.…