A crowd beats the heat with spray from a fire hydrant in Seattle. A new method for measuring urban heat exposure shows that more densely populated neighborhoods may face higher heat and longer hot ...

A recent impact in the Moon’s enormous Keeler Crater is illustrated here using images from NASA’s Lunar Reconnaissance Orbiter. The impact hit the crater’s central peak, and debris formed enigmatic ...

The number of fatal landslides to 29 June 2025, displayed in pentads. For comparison, the long term mean (2004 to 2016) and the exceptional year of 2024 are also shown. In June 2025, I recorded 51 ...

Despite warnings that their actions are illegal, Duffy and other senior NASA officials have continued to secretly direct NASA employees to draw up plans to end at least two major satellites missions ...

As multiple fires raged through Los Angeles in January 2025, Bernadeth Tolentino had one more thing to worry about: kelp. Tolentino, a marine biologist and graduate student at the University of ...

The 2025 Palisades and Eaton Fires torched scrub-lined slopes of the San Gabriel and Santa Monica Mountains, as well as buildings, streets, cars, and infrastructure. Before the flames were even ...

Laboratory earthquakes shed new light on energy partitioning during earthquakes, which is allocated to seismic radiation, creation of new surfaces, and heat dissipation.

Red nodules on the roots of an alder tree in Oregon are the result of nitrogen-fixing bacteria. Credit: Steven Perakis Plants use nitrogen to produce proteins, enzymes, and chlorophyll: all necessary ...

Research & Developments is a blog for brief updates that provide context for the flurry of news regarding law and policy changes that impact science and scientists today. Advocates, scientists, ...

Heat waves, such as the record-breaking Siberian heat wave in 2020, are having lingering impacts on Arctic ecosystems. Credit: Andrei Zverev/Flickr, CC BY-NC 2.0 Now Kwon et al. suggest that the ...

NASA’s Juno spacecraft snapped this image of Jupiter’s moon Ganymede in 2021. New experiments might help scientists identify exotic forms of ice present in Ganymede’s interior and brought to the ...