How Will the Universe End?
The evidence that the Universe began with the Big Bang is very compelling. 13.8 billion years ago, the entire Universe…
ALMA Peers Into Giant Black Hole Jets
Did you ever wonder what it would be like to observe what happens to a galaxy near a black hole?…
Planet Aurora Astro-Bubble
How fun is this?! "Here's a panoramic image from the aurora on October 14," wrote Swedish astrophotographer Göran Strand. "I've…
This is the Moon, the Whole Moon and Nothing But the Moon
Take a look around the Moon... no, really, take a good look AROUND the Moon! This is a fantastic animation…
Was This Ridge Habitable? Mars Curiosity Eyes Nearby Mountain
So Curiosity has been on Mars for an Earth year and is now, slowly, making its way over to that…
On the Road to One Thousand Exoplanets
A quiet milestone in modern astronomy may soon come to pass. As of today, The Extrasolar Planets Encyclopedia lists a…
One Year Later, New POV Video of Baumgartner’s Freefall
A year ago, BASE jumper Felix Baumgartner dove out of a balloon-borne capsule in the stratosphere (not space), 39 kilometers…
Wet Asteroid’s Remains Found In Old Star That Could Have Hosted Habitable Planets
Remains of a water-filled asteroid are circling a dying white dwarf star, right now, about 150 light-years from us. The…
Astronomy Cast Episode 317: Observatories
Have you ever wondered what it's like to visit one of the big research observatories, like Keck, Gemini, or the…
Possible Huge Meteorite Fragment Recovered From Russian Fireball
A half-ton meteorite -- presumably from the Russian fireball that broke up over Chelyabinsk in February -- was dragged up…