US states' drones inspect bridges, help predict avalanches

In Utah, drones are hovering near avalanches to watch roaring snow. In North Carolina, they're searching for the nests of endangered birds. In Kansas, they could soon be identifying sick cows through heat signatures.

OSIRIS-REx reveals asteroid Bennu has big surprises

A NASA spacecraft that will return a sample of a near-Earth asteroid named Bennu to Earth in 2023 made the first-ever close-up observations of particle plumes erupting from an asteroid's surface. Bennu also revealed itself ...

Researchers make a key discovery on how alpine streams work

An EPFL study has prompted scientists to rethink a standard approach used to calculate the velocity of gas exchange between mountain streams and the atmosphere. Research conducted in streams in Vaud and Valais indicate that ...

Rehearsing for the Mars landings in Hawaii and Idaho

Imagine astronauts on Mars, tasked with picking rock samples that will be used by scientists to search for signs of life. But they can only transport a limited number back to Earth. What should they look for? Are some types ...

Image: Flooding along the Nueces River

On Nov. 1, 2018, the Operational Land Imager (OLI) on Landsat 8 captured a false-color view of flooding along the Nueces River in a series of storms that have delivered historic amounts of rain to central Texas.

Raging fires in California creating havoc for the state

From last until today the Carr fire has consumed 12,000 more acres for a total of 110,154 acres and is 27% contained. The number of residences destroyed overnight rose by 161, commercial buildings by 1, and outbuildings by ...

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