Deep coral reefs in a "twilight zone" in the oceans differ sharply from those near the surface, dimming hopes that they can be a refuge for marine life fleeing threats such as climate change and pollution, scientists said on Thursday.

Egyptian archaeologists on Thursday dashed local hopes that a newly discovered ancient sarcophagus might contain the remains of Alexander the Great, finding instead the mummies of what appeared to be a family of three.

Scientists in Crimea are poring over a mass of preserved animal bones dating back half a million years after workmen discovered a sprawling underground cave during the construction of a motorway.

With its head and snout covered in bony armor shaped like cones and pyramids, a spiky tank-like dinosaur unearthed in southern Utah was not just another pretty face.

A new high-tech forensic study of the blood flows on the Shroud of Turin, the mysterious linen some Christians believe is Jesus’ burial cloth, is the latest analysis to suggest that it is most likely a mediaeval fake.

(This July 15 story corrects to say "Euro 2020" instead of "Euro 2022" in the last paragraph.)

Astronomers on Tuesday announced the discovery of 10 more moons of Jupiter, bringing to 79 the number known to be circling the giant gas planet, including one "wrong-way driver" that appears destined to crash into other moons sharing its orbital highway.

Charred remains of a flatbread baked about 14,500 years ago in a stone fireplace at a site in northeastern Jordan have given researchers a delectable surprise: people began making bread, a vital staple food, millennia before they developed agriculture.

(This July 11 story in the final paragraph corrects the time period of launches, how far in advance seats are booked on Soyuz spacecraft and the number of launchpads in Kazakhstan.)

Despite advances in predicting where hurricanes are heading, forecasters are still struggling to determine a crucial factor in deciding emergency measures and evacuations: their intensity.