3+ mon, 2+ week ago   (476+ words) Saturn has puzzled scientists with its “heartbeat” for decades. The planet appeared to rotate at different speeds depending on how it was measured. Ground-based observations of Saturn’s upper atmosphere were imprecise and disclosed only rough limits on temperatures and ion…...

3+ mon, 3+ week ago   (173+ words) lead image It is unclear to historians how Vikings navigated the seas. Centuries before magnetic compasses were introduced to Europe, Viking seafarers traveled long distances to far-flung locations like North America and the Black Sea. One explanation, although unverified, is…...

3+ mon, 3+ week ago   (477+ words) Jupiter’s moon Ganymede is the largest moon in the solar system; at over 3,200 miles across, it is larger than the planet Mercury. It is also the only moon with its own intrinsic magnetic field, produced by a churning central core…...

4+ mon, 4+ week ago   (1106+ words) Astronomers solve Saturn spin mystery: The truth behind its “changing” rotation The Times of India It is worth noting that for many years, the rotation speed of Saturn was seen as unusual by scientists, since it was changing from time…...

5+ mon, 1+ week ago   (704+ words) image: Schematic showing the position of Saturn's cusp compared to Earth's. view more Saturn's magnetic shield is asymmetrical compared to Earth’s, suggests a new study involving University College London (UCL) researchers, and this is likely a result of its fast…...

5+ mon, 1+ week ago   (179+ words) lead image In the case of Earth’s bow shocks, Ruolin Wang and Takanobu Amano hypothesize that whistler waves — low-frequency electromagnetic waves — are involved in electron acceleration and confinement. The duo modeled the electron velocity distribution function of reflected electrons at…...

5+ mon, 1+ week ago   (406+ words) Image Credit: Royal Astronomical Society Richard Carrington is an English astronomer who contributed significanlty to our understanding of the sun. He is best known for documenting the Carrington Event in 1859. This event was the strongest known solar storm. It was…...

5+ mon, 3+ week ago   (166+ words) NASA's Juno spacecraft passed north-to-south (yellow track) over Jupiter's atmosphere on 17 August 2022, detecting a cluster of radio pulses from lightning (cyan symbols marking instrument pointing for each pulse). Background map from the Hubble Space Telescope identified the lightning source as…...

6+ mon, 2+ week ago   (194+ words) The latest news briefs from NASA science. Plants exposed to artificial lighting burst into bloom earlier and flower longer than plants exposed exclusively to natural sunlight. A recent study that relies on NASA satellite data found that this effect raises…...

8+ mon, 3+ week ago   (643+ words) Light pollution occurs when artificial light is excessive, poorly designed, or used at inappropriate times. In urban areas, light escapes upward and outward, creating a persistent glow that obscures stars and alters natural darkness. While artificial lighting improves visibility and…...