Late Heavy Bombardment
Lightning Strikes Helped Life get an Early Start on Earth
So, you want to create life? You're going to need some ingredients first. On Earth four billion years ago, you…
Earth and Venus are the Same Size, so Why Doesn’t Venus Have a Magnetosphere? Maybe it Didn’t Get Smashed Hard Enough
A new study lays out why Venus doiesn't have a magnetic field like Earth's. Basically, it may come down to…
Beautiful Planetary Rings Are Dead Dwarf Planets! Dead Dwarf Planets!!!
A new study from a team of Japanese researchers shows that the rings of the gas giants might be the…
The Moon’s Mare Imbrium Was Hit By Protoplanetary Size Impactor
The asteroid that punched an “eye” in the Moon is about 10 times more massive than originally thought. Researchers say…
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…