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.

Understanding the genetics of Labrador retriever obesity may help dog owners mitigate their best friend’s weight gain.

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

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

In a clinical trial, treating both partners in a relationship significantly reduced the likelihood of recurrence of bacterial vaginosis.

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

Male crickets in Hawaii softened their chirps once parasitic flies started hunting them. Now, it seems, the flies are homing in on the new tunes.

Chemists identify a single molecule that naturally tiles in nonrepeating patterns, which could help build materials with novel electronic properties.

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

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.