Science

84% of the world’s coral reefs hit by worst bleaching …

FILE - Bleaching is visible on coral reef off the coast of Nha Trang, Vietnam, Oct. 24, 2024. (AP Photo/Yannick Peterhans, File)

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China reveals new team of astronauts for space station …

NASA’s Lucy spacecraft beams back pictures of an asteroid …

This image from video animation provided by NASA in October 2022 depicts the Lucy spacecraft. (NASA via AP)

NASA’s Lucy spacecraft beams back pictures of an asteroid …

This image from video animation provided by NASA in October 2022 depicts the Lucy spacecraft. (NASA via AP)

A green comet likely is breaking apart and won’t be visible …

This image provided by Mike Olason shows the newly-discovered comet SWAN on April 6, 2025. (Mike Olason via AP)

An Asian elephant calf was born at Zurich Zoo and its …

An elephant calf stands with its mother Farha the day after it was born, on Easter Sunday, April 20, 2025 at Zurich Zoo in Zurich, Switzerland. (Michael Buholzer/Keystone via AP)

Where do whale sharks mate? The search to learn where …

Whale sharks swim off the coast of St. Helena in the South Atlantic Ocean in February 2025. (AP Photo/Flora Tomlinson-Pilley)

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NASA’s Lucy spacecraft is speeding toward another …

This image from video animation provided by NASA in October 2022 depicts the Lucy spacecraft. (NASA via AP)

NASA’s Lucy spacecraft is speeding toward another …

This image from video animation provided by NASA in October 2022 depicts the Lucy spacecraft. (NASA via AP)

How to catch the shooting stars of spring’s first …

FILE - The Lyrid meteor shower is seen over Burg on the Baltic Sea island of Fehmarn off Germany, Friday, April 20, 2018. (Daniel Reinhardt/dpa via AP, File)

How to catch the shooting stars of spring’s first …

FILE - The Lyrid meteor shower is seen over Burg on the Baltic Sea island of Fehmarn off Germany, Friday, April 20, 2018. (Daniel Reinhardt/dpa via AP, File)

Scientists find possible chemical signs of life on …

Astrophysicist Nikku Madhusudhan poses for a photo at the Institute of Astronomy at the University of Cambridge, England, April 2025. (Atlantic Studios via AP)

Visa cancellations sow panic for international students, …

FILE - A person walks through the Georgia Tech campus with the downtown skyline in the background, March 11, 2016, in Atlanta. (AP Photo/David Goldman, File)

Endangered sea turtle populations show signs of recovery …

This photo provided by the Oceanic Society shows a leatherback turtle in Trinidad in 2007. (Roderic Mast/Oceanic Society via AP)