Asteroids
Will We Mine Asteroids?
It's been said that a single asteroid might be worth trillions of dollars in precious rare metals. Will we ever…
Rosetta’s Instruments Direct Scientists to Look Elsewhere for the Source of Earth’s Water
Where did all of our water come from? What might seem like a simple question has challenged and intrigued planetary…
Weekly Space Hangout – Dec. 5, 2014: Orion’s Successful Launch!
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter) Ramin Skibba (@raminskibba) (more…)
What Percent of Earth is Water?
The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it…
What is the Difference Between Asteroids and Comets?
Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both…
The Origins of Life Could Indeed Be “Interstellar”
Some of science's most pressing questions involve the origins of life on Earth. How did the first lifeforms emerge from…
Astronomy Cast Ep. 351: Asteroid Adventures
Astronomy Cast's 2014/15 season begins! With Rosetta's arrival at Comet 67/P, we're about to see a comet up close and…
This Model Of Earth’s Giant Impacts Makes Us Wonder How Life Arose
In case you need a reminder that the solar system was a harsh place to grow up, the early Earth…
Why Isn’t the Asteroid Belt a Planet?
It seems like there's a strange gap in between Mars and Jupiter filled with rocky rubble. Why didn't the asteroid…
Weekly Space Hangout – May 30, 2014: Gamma Ray Burst? Maybe Not?
Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter), Brian Koberlien (@briankoberlein) (more…)