Early Earth
Dying Stars Could Have Completely New Habitable Zones
Aging stars that become red giants increase their luminosity and can wreak havoc on planets that were once in the…
2 months ago
How did Earth go From Molten Hellscape to Habitable Planet?
Earth formed from the Sun's protoplanetary disk about 4.6 billion years ago. In the beginning, it was a molten spheroid…
2 years ago
Early Earth Was Almost Entirely Underwater, With Just A Few Islands
Ancient grains of the mineral zircon help researchers paint a picture of Earth in the Hadean Eon, and that picture…
7 years ago
Rethinking the Source of Earth’s Water
Earth, with its blue hue visible from space, is known for its abundant water - predominately locked in oceans -…
12 years ago
Ancient Zircons Help Reveal Early Earth Atmosphere
[/caption] Roughly 2.4 billion years ago, Earth's atmosphere underwent a huge change known as the "Great Oxidation Event". This switch…
12 years ago