Geology
Giant geode large enough to fit people inside grew slow and steady
Temperature fluctuations, maybe from climate or maybe from geothermal systems, amplified a natural process that grew the crystals.
Researchers may have spotted the smallest dwarf planet in the solar system
Small but significant.
Underwater volcanoes can produce stadium-sized bubbles
Some bubbles were up to 750 feet (228 meters) across.
Salt lake Mars: Red planet had salty lakes billions of years ago
Mars' past seems to be more and more interesting.
Io volcano is surprisingly predictable, and will likely erupt this month
Pop goes the volcano.
Scientists detect climate “smoking gun” signature in rivers
For decades, researchers have been trying to detect the influence of climate on river formation -- now, they've done it.
Scientists reconstruct the first 24 hours of dinosaur-killing asteroid impact
Molten rock shooting for the moon, huge tsunamis hundreds of feet tall, and global wildfires were triggered immediately after the impact.
Key variable used to study Mars’ ancient atmosphere varies during the day
This used to mess up our calculations, but now we understand why.
Newly-discovered fossil worm shows early animals were more complex than we thought
The worm grew to less than 3 centimeters (1 inch) at its widest, but up to 27 centimeters (nearly a foot) long.
Geologists uncover ancient mass extinction from 2 billion years ago
It's all about the oxygen.
This mineral could become a replacement for potassium fertilizers
As the world tries to find more eco-friendly alternatives to pesticides, a team of Russian and Indian scientists has an interesting idea.
How a giant mass of floating volcano rock could help the Great Coral Reef
A giant raft of light rocks is heading towards Australia -- and that's a good thing.
Deep diamonds hint at Earth’s primordial magma
The magma has remained in place since dawn of our planet.
Ancient, giant, carnivorous parrot roamed New Zealand 19 million years ago
This is amazing -- and a bit scary.
Prevalent bone disease already existed during the Permian, fossil study finds
It's amazing what you can do with one fossil.
Could snowball planets still host life? This study claims so
After all, the Earth was once a snowball too.
Earth’s history gets rewritten by a single drop of water
The findings show that plate tectonics started 3.3 billion years ago, coinciding with the period when life started on Earth.
