Observations of R Doradus, a nearby red giant, provide the first timescale for convection on the surface of any star other than the Sun.
astrophysics
Posted inNews
Scientists Captured the First Glimpse of a Rare Polar Aurora
After a decade-long search, scientists captured a type of elusive aurora on camera.
Posted inNews
Spiral Waves May Explain the Sun’s Baffling Rotation
New observations and models show a connection between high-latitude waves in the Sun’s interior and the different rates of spin between the solar equator and poles.
Posted inEditors' Vox
The Twists and Turns of Helicity Studies
A new book explores the fundamental role that helicities play in different astrophysical and geophysical phenomena and presents perspectives from various scientific disciplines that study them.
Posted inNews
Did a Cosmic Explosion Make the Ionosphere Dance?
Researchers have linked a 2022 gamma ray burst to a disturbance in the upper atmosphere, but proving the connection highlights the problems with this kind of measurement.
Posted inFeatures
Ed Hawkins: Communicating a Changing Climate
The British scientist is the creator of climate stripes, the now-ubiquitous visual representation of climate change.
Posted inFeatures
Erin Macdonald: Putting the Science in Science Fiction
The “Julia Child of science” makes science accessible through pop culture.
Posted inNews
Eavesdropping on the Vibrations of Earth’s Magnetic Bubble
A NASA-funded crowdsourced science project has converted the unheard sounds resonating inside Earth’s magnetic shield into audible tracks, revealing an orchestra of whistles, wooshes, and chirps.
Posted inEditors' Vox
Machine Learning Helps to Solve Problems in Heliophysics
A new special collection invites papers pertaining to the use of machine learning techniques in all sub-fields of heliophysics.
