Catastrophe

The vanished Red Sea and the catastrophic flood that brought it back

Researchers found that 6.2 million years ago, the Red Sea dried completely and was then suddenly reflooded, marking one of Earth's most extreme environmental events.

Vibrant marine life in the current day Red Sea.
Illustration: Neowise comet C2020 F3 as it flies overhead over Ottawa, Canada.

Could a cosmic catastrophe have altered earth's ancient climate?

 Soldiers of Russian military forces standing on background of strategic missile system "Yars" and armored vehicles.

Doomsday clock moved to 89 seconds to midnight, closest ever in its 78-year history