For the first time in its eight years orbiting Mars, NASA's MAVEN mission witnessed two different types of ultraviolet aurorae simultaneously, the result of solar storms that began on Aug. 27.
Planetary Sciences
Nov 10, 2022
2
44
Researchers studying intermediate to large earthquakes in California have discovered detectable changes in the local magnetic field that occur 2–3 days before an earthquake. In a study now published in Journal of Geophysical ...
Earth Sciences
Oct 7, 2022
0
684
An unexpected "heat wave" of 700 degrees Celsius, extending 130,000 kilometers (10 Earth diameters) in Jupiter's atmosphere, has been discovered. James O'Donoghue, of the Japanese Aerospace Exploration Agency (JAXA), has ...
Astronomy
Sep 23, 2022
0
1057
With data from its closest pass of the sun yet, the ESA/NASA Solar Orbiter spacecraft has found compelling clues as to the origin of magnetic switchbacks, and points towards how their physical formation mechanism might help ...
Astronomy
Sep 12, 2022
0
76
Ever since humans could first observe sunspots about 400 years ago, we've been using them to try to define the solar cycle. Approximately every 11 years, solar activity such as sunspots and solar flares ebbs and flows, causing ...
Astronomy
Aug 10, 2022
1
493
Powerful flares, breathtaking views across the solar poles, and a curious solar "hedgehog" are among the haul of spectacular images, movies and data returned by Solar Orbiter from its first close approach to the sun. Although ...
Astronomy
May 19, 2022
0
221
Alignment of NASA's James Webb Space Telescope is now complete. After full review, the observatory has been confirmed to be capable of capturing crisp, well-focused images with each of its four powerful onboard science instruments. ...
Space Exploration
Apr 28, 2022
6
2419
A celestial event mentioned in an ancient Chinese text turns out to be the oldest known reference to a candidate aurora, predating the next oldest one by some three centuries, according to a recent study by Marinus Anthony ...
Astronomy
Apr 15, 2022
1
573
Could lava tubes, caves, or subsurface habitats offer safe refuge for future astronauts on Mars? Scientists with NASA's Curiosity Mars rover team are helping explore questions like that with the Radiation Assessment Detector, ...
Space Exploration
Nov 16, 2021
0
96
Sending human travelers to Mars would require scientists and engineers to overcome a range of technological and safety obstacles. One of them is the grave risk posed by particle radiation from the sun, distant stars and galaxies.
Space Exploration
Aug 26, 2021
6
4200
