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

Firefly Aerospace landed a craft safely last week, a first for a private company. The status of Intuitive Machines’ lander is unknown.

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

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.

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

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

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

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

Vaginal microbes play a huge role in overall health, but researchers know relatively little about them. Citizen science could help change that.

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

The long-term survival of a patient with neuroblastoma suggests the personalized cancer treatment may work for solid tumors, not just blood cancers.