Earth’s oceans weren’t always blue, scientists say
But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...
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Could alien oceans be green: Earth’s past may hold the key to finding life elsewhere
Ancient oceans, which were heavy on iron, interacted differently with light wavelengths, retracting green light into the ...
Live Science17d
Dinosaurs: Facts about the reptiles that roamed Earth more than 66 million years ago
Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...
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Supernova graveyard? 10 million years ago, neutron stars crashed on Earth, reveal traces
The explosion released elements heavier than iron—like gold and platinum—through a process known as rapid neutron capture ...
600 Million Years Ago, an Asteroid Strike Shook the Planet – And Its Effects May Still Linger
Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but a powerful asteroid impact in what is ...
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The Solar System Passed Through a Massive Cosmic Wave Millions of Years Ago — And This May Have Cooled Earth
The Radcliffe Wave is a massive, undulating structure filled with dense clouds of gas and dust, stretching across several ...
moneycontrol.com13d
A wave of galactic dust storm hit Earth 14 million years ago, mysteriously changing Earth's climate forever
A new study suggests this cosmic journey may have influenced Earth's climate millions of ... found that around 14 million years ago, the solar system passed through a dense, star-forming region ...
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Early oceans were green, not blue: study
The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among the first to engage in oxygenic photosynthesis.
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A giant extraterrestrial 'wave' hit Earth 14 million years ago — and may have dramatically altered our planet's climate
making it especially challenging to detect a signal from an event that occurred 14 million years ago. "The challenges in peering far back into the history of the Earth's climate clearly limit our ...
Popular Mechanics10d
Scientists Found 10 Million-Year-Old Remnants of a Massive Kilonova in the Bottom of the Ocean
Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 million years ago. Kilonovas occur when binary neutron stars spiral closer ...
Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...