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These marine mammals are still feeling the effects of whaling. For most species, it may be another 100 years before there are enough old whales for scientists to confirm their lifespans.

Animal welfare laws don't protect invertebrates, but there's evidence that some, such as octopuses, are as intelligent as many mammals - even if their cognition takes very different forms.

Disaster recovery isn't just about repairing bridges, roads and homes. Conservationists from the Smithsonian were on the ground in North Carolina helping families piece their lives back together.

Just a few years into his career, Dylan decided he wanted to subvert the expectations of his fans - and rebel against industry forces intent on pigeonholing him and his work.

Disney's 'Moana' movies have brought a new level of excitement for astronomy and wayfinding, says an astronomer who regularly hosts planetarium shows.

Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

The rubber met the road for language AIs in 2024. The hard realities led to new, smaller models and safety measures for the big ones. 2024's R&D also set the stage for the next big thing: AI agents.

Rising carbon dioxide levels in the air are making plants grow larger and faster, but diluting their nutritional content. This could threaten the health of herbivores worldwide.

Although these activities have been around for decades, there are signs that some are making a comeback.

19 US cities have introduced local reparations initiatives to address historic harms against Black residents. But designing a program that is both popular and sustainable isn't easy.