Late Heavy Bombardment
Did Powerful Asteroid Impacts Make Venus So Different From Earth?
A new study connects impacts during Venus' early history to its smooth and "youthful" appearance today.
Venus Needed Asteroid Impacts to Get its Volcanoes Going
Unlike Earth, Venus lacks the plate tectonics that give rise to volcanoes. But the surface of Venus looks far younger…
How are Mars Rocks Getting “Shocked” by Meteorite Impacts?
A new NASA study shows how samples obtained by Perseverance could have been shaped by asteroid impacts when Mars was…
Mars Once had Enough Water for a Planet-Wide Ocean 300 Meters Deep
New research has shown that Mars may have been covered in a worldwide ocean when Earth was still covered in…
Early Earth was Pummeled 10x More Than Previously Estimated
It’s no secret that Earth was bombarded with plenty of meteors for billions of years during the solar system’s early…
There Should be More Material Left Over From Bombardment Eras. Maybe the Sun Blew it all Away?
The early solar system was an especially violent place. The terrestrial planets (Mercury, Venus, Earth, and Mars) likely formed by…
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…