Earth.com13h
Was early Earth a purple planet? Scientists say it's possible
New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.
When Did Ocean Acidity Allow Life To Start?
A new study finds that ocean acidity may have prevented life on Earth from developing for the planet’s first 500 million ...
From Lava to Life: Unlocking Earth’s Oldest Mysteries
Exploring the transformation of Earth from a volcanic hellscape to a potential birthplace of life during the Hadean era.
Earth’s First Oceans Were an Acidic Hellscape – Here’s What Happened Next
How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...
Near-Earth asteroid Bennu could hit Earth in 157 years and set off a global ‘impact winter,’ study says
Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...
CNN on MSN8d
Newly discovered asteroid now has a slightly higher risk of hitting Earth
A newly discovered asteroid named 2024 YR4 now has a 2.2% chance of affecting Earth in 2032 after recent observations.
Public Broadcasting Service (PBS)7d
How NASA’s OSIRIS-REx mission may help us understand the origins of life on Earth
The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...
Live Science12d
How much did SpaceX's Starship Flight 7 explosion pollute the atmosphere?
Its plunge back to Earth through the atmosphere may have generated 45.5 metric tons of metal oxides and 40 metric tons of nitrogen oxides, according to University College London atmospheric ...