Stand Up for Science rallies in Washington, D.C., and across the United States drew crowds of people worried about cuts to scientific funding.

AI medical benchmark tests fall short because they don’t test efficiency on real tasks such as writing medical notes, experts say.

On balconies and in backyards, Wi-Fi–enabled telescopes are connecting astronomy enthusiasts across six continents.

In Brazil, where humans and dolphins fish in tandem, cooperation both within and between species is essential for the longstanding tradition.

Firefly Aerospace landed a craft safely last week, a first for a private company. But Intuitive Machines’ mission ended when its lander wound up on its side in a crater.

A 1-degree-Celsius change in water temperature prompts sea turtles in Northern Cyprus to lay eggs nearly a week earlier on average.

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

New brain-inspired hardware, architectures and algorithms could lead to more efficient, more capable forms of AI.

Cloud forests are biodiversity hot spots and crucial water sources. But climate change and deforestation are shrinking their range, new data show.

The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.

In the fourth episode of The Deep End, Jon Nelson and others describe dealing with emotions they haven’t felt in a long time.

The excavation of bone tools at Olduvai Gorge in Tanzania expands the range of ancient hominids’ cultural innovations.