Asteroids
It Looks Like an Asteroid Strike Can’t Cause a Worldwide, Dinosaur-Killing Firestorm
For decades, scientists have debated the cause of the mass extinction that wiped out the dinosaurs and other life 65…
Amazing Impact Crater Where a Triple Asteroid Smashed into Mars
At first glance, you many not guess that this feature on Mars is an impact crater. The reason it looks…
Here’s Ceres Compared to All the Other Asteroids We’ve Visited
When the Dawn mission was in its planning stages, Ceres was considered an asteroid. But in 2006, a year before…
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First SLS Engine Blazes to Life in Mississippi Test Firing Igniting NASA’s Path to Deep Space
NASA’s goal of sending astronauts to deep space took a major step forward when the first engine of the type…
What Other Worlds Have We Landed On?
Think of all the different horizons humans have viewed on other worlds. The dust-filled skies of Mars. The Moon's inky…
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…