Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that released large amounts of ferrous iron into the water. The earliest ...

The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

Blue Origin celebrated its 11th human spaceflight ... into creating lasting impact that will inspire people across our planet for generations. Thank you to this remarkable crew for uplifting ...

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the entirety of the seven-window Cupola module in the video, using the panels to ...

A new study suggests Earth's oceans may have been green during the Archean eon, around 3.8 to 1.8 billion years ago. The greenish hue was due to high iron content and early microbes performing ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Why it's incredible: Evidence suggests it could be the greatest known impact ... by dark blue is the Wilkes Land crater. | Credit: Klokočník, Kostelecký & Bezděk. Earth Planets Space (2018).

It was Professor CV Raman, who revealed why the ocean ... of early Earth. It turns out that high levels of iron in the oceans ...