Rockhopper penguins live up to their name as they navigate the rugged coastline of Marion Island in the southern Indian Ocean. (Photo by Thomas P. Peschak)

In this October 14, 2013 photo, ecology professor Ricardo Freitas catches a broad-snouted caiman to examine, then release back into the water channel in the affluent Recreio dos Bandeirantes suburb of Rio de Janeiro, Brazil. Caimans are like tanks, a very old species with a remarkable capacity for renovation that allows them to survive under extreme conditions where others couldn't, said Freitas, who runs the Instituto Jacare, or the Caiman Institute, which aims to protect the reptiles. (Photo by Felipe Dana/AP Photo)

In this January 27, 2015 photo, penguins walk on the shore of Bahia Almirantazgo in Antarctica. Antarctica “is big and it's changing and it affects the rest of the planet and we can't afford to ignore what's going on down there”, said David Vaughan, science director of the British Antarctic Survey. (Photo by Natacha Pisarenko/AP Photo)

Old Heidelberg, Dog with Pipe, 1905. (Photo by Detroit Publishing Company)

Firefighters try to extinguish a fire caught on a passenger train, ahead of the general election in Dhaka, Bangladesh, on January 5, 2024. (Photo by Mohammad Ponir Hossain/Reuters)

A mural depicting a resting cat by Russian street artist Vladi is photographed by a man outside a hotel in Hong Kong on November 27, 2023. (Photo by Peter Parks/AFP Photo)

Women pray at the Sheikh Zayed Grand Mosque in Abu Dhabi in the early hours of April 6, 2024, on Laylat al-Qadr (Night of Destiny), one of the holiest nights during the Muslim holy fasting month of Ramadan. (Photo by Ryan Lim/AFP Photo)

Graduating cadets throw their hats in the air in celebration during the commencement ceremony for graduates of the U.S. Air Force Academy in Colorado Springs, Colorado, U.S., May 30, 2024. (Photo by Kevin Mohatt/Reuters)