Late Heavy Bombardment
Uranus’ Moon Umbriel
The 19th century was an auspicious time for astronomers and planet hunters. In addition to the discovery of the Asteroid…
Asteroid That Dwarfed Dinosaur-Killer Punched Earth 3 Billion Years Ago, Study Says
Early in Earth's history, a killer asteroid smashed a hole in our planet about 300 miles (500 kilometers) wide, which…
What Craters on the Moon Teach Us About Earth
When the Moon was receiving its highest number of impacts, so was Earth. Credit: Dan Durda Some questions about our…
Ancient Asteroids Kept Pelting Earth in a ‘Late-Late’ Heavy Bombardment
[/caption] Even though the Late Heavy Bombardment is somewhat of a controversial idea, new research has revealed this period of…
New Research Casts Doubt on the Late Heavy Bombardment
[/caption] Was the early solar system bombarded with lots of big impacts? This is a question that has puzzled scientists…
A Cometary Case for Titan’s Atmosphere
[/caption] Titan is a fascinating world to planetary scientists. Although it's a moon of Saturn it boasts an opaque atmosphere…
“Marstinis” Could Help Explain Why the Red Planet is So Small
[/caption] Mars is a small planet. In fact, for scientists who do solar system modeling, the planet is too small.…