NASA places Artemis II crew into pre-launch quarantine |

Artemis II pilot Victor Glover, front left, commander Reid Wiseman, front right, mission specialist Jeremy Hansen, rear left, of the Canadian Space Agency, and mission specialist Christina Koch walk out of the Operations and Checkout Building during a countdown demonstration test, Saturday, Dec. 20, 2025, in Cape Canaveral, Fla. (AP Photo/Phelan M. Ebenhack) NASA’s next…

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‘Dragon Hole’: Scientists found a huge ocean sinkhole hiding 1,700 strange viruses beneath the sea |

Deep in the South China Sea, scientists from Chinese marine research institutes, including the First Institute of Oceanography, have been exploring a vast underwater sinkhole known as the “Dragon Hole”, and what they found inside is as eerie as it is fascinating. The sinkhole drops nearly 1,000 feet straight down into a dark, oxygen-starved world…

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Why so many shark attacks off Sydney’s beaches? Here’s what scientists say drew sharks closer |

A cluster of shark attacks along the New South Wales coastline has unsettled swimmers and surfers, particularly in Sydney, where several incidents occurred within just two days. While shark bites are always distressing, experts say the recent surge can be explained by a rare combination of environmental and seasonal factors rather than a sudden change…

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Earth once had 26-foot giants 400 million years ago, and they were unlike anything alive today |

For over a century, it was assumed that science had a handle on the big categories of life on Earth: plants, animals, fungi, and microorganisms were the stanchions of biological classification. Now, however, a towering ancient organism called Prototaxites has forced scientists to reconsider those assumptions in their entirety. Reaching as tall as 26 feet…

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