Late Heavy Bombardment

The Meteorites That Made Earth Were Filled With Water

According to the most widely accepted scientific theory, our Solar System formed from a nebula of dust and gas roughly…

3 months ago

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.

9 months ago

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…

9 months ago

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…

1 year ago

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…

1 year ago

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…

2 years ago

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…

3 years ago

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…

3 years ago

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…

6 years ago

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…

7 years ago