Astronomy

First observation of a focused plasma wave on the sun

For the first time, scientists have observed plasma waves from a solar flare focused by a coronal hole, akin to the focusing of sound waves responsible for the Rotunda effect in architecture or the focusing of light by a ...

Astronomy

Using wobbling stellar material, astronomers measure the spin of a supermassive black hole for the first time

Astronomers at MIT, NASA, and elsewhere have a new way to measure how fast a black hole spins, by using the wobbly aftermath from its stellar feasting.

NASA's Psyche fires up its sci-fi-worthy thrusters

NASA's Psyche spacecraft passed its six-month checkup with a clean bill of health, and there's no holding back now. Navigators are firing its futuristic-looking electric thrusters, which emit a blue glow, nearly nonstop as ...

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Scientists uncover new molecular drivers of Alzheimer's

According to the US Centers for Disease Control and Prevention, at least 5.8 million Americans are currently living with Alzheimer's disease, which is the most common form of dementia. There is no cure for Alzheimer's, in ...

NASA's compact infrared cameras enable new science

A new, higher-resolution infrared camera outfitted with a variety of lightweight filters could probe sunlight reflected off Earth's upper atmosphere and surface, improve forest fire warnings, and reveal the molecular composition ...

Video: Fireball witnessed by weather satellite

While a meteor lit up the skies over Spain and Portugal recently, it was also captured by the Meteosat Third Generation Imager weather satellite hovering 36,000 km away in geostationary orbit.

Democratizing air quality data at nearly no cost

Due to the high cost of air quality monitors, many countries don't have the tools in place to regularly monitor pollutants. Without routine measurements, policymakers cannot make evidence-based policy decisions to reduce ...

Physicists propose path to faster, more flexible robots

In a May 15 paper released in the journal Physical Review Letters, Virginia Tech physicists revealed a microscopic phenomenon that could greatly improve the performance of soft devices, such as agile flexible robots or microscopic ...

Hunting for millicharged particles at the LHC

The LHC family of experiments continues to grow. Alongside the four main experiments, a new generation of smaller experiments is contributing to the search for particles predicted by theories beyond the Standard Model, our ...

Video: SOHO's view of the 11 May 2024 solar storm

Over the weekend of 10–12 May 2024, Earth was struck by the largest solar storm in more than a decade. While many of us enjoyed colorful auroras lighting up Earth's protective atmosphere, spacecraft had to endure being ...

Hubble views the dawn of a sun-like star

Looking like a glittering cosmic geode, a trio of dazzling stars blaze from the hollowed-out cavity of a reflection nebula in this new image from NASA's Hubble Space Telescope. The triple-star system is made up of the variable ...

A new simple scheme for atom interferometry

Atom interferometers are devices that use the wave characteristics of matter to measure the phase between atomic matter waves to separate paths to make high-precision measurements of elements of physics, such as gravitational ...

Researchers report new fern species from Yunnan, China

The genus Angiopteris Hoffmann, which belongs to the Eusporangiate ferns within the Marattiales Link and Marattiaceae Kaulf., is a crucial clade in the origin and evolution of ferns, offering significant ornamental, medicinal, ...