Only slight chance of asteroid Bennu hitting Earth: NASA

An asteroid known as Bennu will pass within half the distance of the Earth to the Moon in the year 2135 but the probability of an impact with our planet in the coming centuries is very slight, scientists said Wednesday.

Wildfire smoke may lead to less rain in the western US

As wildfires and heatwaves stress the western United States, concern over drought is rising: Dry landscapes burn more readily, and rain can help quell fires already raging. But wildfire smoke may keep that essential rain ...

Tunable 'metasurface' is akin to optical swiss army knife

MIT engineers and colleagues report important new advances on a tunable metasurface, or flat optical device patterned with nanoscale structures, that they compare to a Swiss army knife while its passive predecessor can be ...

Physics researchers discover new electronic phenomenon

Physics researchers at the University of North Florida's Atomic LEGO Lab discovered a new electronic phenomenon they call "asymmetric ferroelectricity." The research led by Dr. Maitri Warusawithana, UNF physics assistant ...

New technique illuminates DNA helix

Cornell researchers have identified a new way to measure DNA torsional stiffness—how much resistance the helix offers when twisted—information that can potentially shed light on how cells work.

Italy swelters as Spain, Portugal brace for coming heat wave

Italy baked in sweltering temperatures that continued to drive deadly wildfires Wednesday, with Spain and Portugal bracing for the arrival of a dangerous heat wave that has grilled southeastern Europe and is starting to push ...

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