During Parker Solar Probe’s seventh swing by the Sun, culminating in its closest solar approach, or perihelion, on January 17, 2021, celestial geometry posed a…
A special type of aurora, draped east-west across the night sky like a glowing pearl necklace, is helping scientists better understand the science of auroras…
Phobos and Deimos, the moons of Mars, are seen in this movie put together from 19 images taken by the Mars Odyssey orbiter’s Thermal Emission…
Sometimes on a dark night near the poles, the sky pulses a diffuse glow of green, purple and red. Unlike the long, shimmering veils of…
Two published papers reveal Kelvin-Helmholtz waves at the boundaries of near-Earth space, showing that they can appear under any conditions and are much more prevalent…
A newly published study shows that in certain circumstances a pool of dense particles normally circling Earth can extend a long arm out to meet…
Launched in 2007, the THEMIS mission has helped highlight a number of crucial details about what causes space weather events and has dramatically improved our…
Ten years and counting. The Thermal Emission Imaging System onboard NASA’s Mars Odyssey orbiter has taken nearly 500,000 images and circled Mars nearly 45,000 times…
Scientists are studying the Van Allen Radiation belts to gain a better understanding about the radiation encircling the Earth. It was once feared that these…